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Patent holder profile

Alexander P. Ashbourne and the biscuit-cutter patent record

Ashbourne's 1875 biscuit-cutter patent is a chronology-gap candidate in domestic food tools and baking technology, held noindex until identity evidence is ledgered.

Why this belongs on CultureUp

Ashbourne is a public-record memory story.

Ashbourne belongs in source review because domestic food tools are technical public memory when identity and rank claims stay source-led.

Chronology gap candidate 1 / not final rankStatus: noindex_draftSource grade: B+

Patent: 170460: Improvement in Biscuit-Cutters
Issue date: 1875-11-30
Place: Oakland, California
Record strength: Patent-record facts are attached, but identity evidence and sequence placement remain under review.
Identity evidence: Identity evidence pending; do not promote as public rank until an identity-source ledger is attached.
Sprint priority: 1 / not final rank
Chronology caution: Chronology gap candidate status is not final chronological holder rank. CultureUp may revise holder rank only after source-led sequence review.
Cluster: Food and kitchen tools
Identity caution: Patent-holder identity and CultureUp lane fit require public identity evidence before promotion.
Needed before promotion: Identity evidence, name/residence review, and source-led sequence reconciliation.
Why this record matters: The patent row strengthens the 1875 bridge between Reconstruction-era records and later Backlog 3 profiles through baking technology.

What the public record supports

U.S. Patent No. 170460, issued November 30, 1875.
Biscuit-cutter invention category.
Oakland, California recorded place.

What remains open

Identity evidence pending.
Sequence placement not final.

Article profile

Read the person, place, invention, and record separately.

CultureUp keeps each layer visible so a patent record does not get stretched into claims the source trail cannot support.

The patent record

Google Patents mirrors U.S. Patent No. 170460 for an improvement in biscuit-cutters issued November 30, 1875.

The person in the record

The profile is a patent-record candidate only until identity evidence is ledgered.

Place attached to the claim

Oakland, California is the place as recorded in the patent source trail.

The invention

The invention belongs to biscuit cutters and baking technology.

Business, labor, and use

The patent supports an invention claim but not adoption, manufacture, or all labor context.

What the record cannot prove

The patent cannot prove full identity, ancestry, race, biography, commercial success, or community memory.

Patent records

Grant trail

Grant rank and unique-holder rank are shown separately so repeat patentees do not distort the chronological sequence.

chronology_gap_candidateSprint priority 1Not public rankutility patentunder review

170460: Improvement in Biscuit-Cutters

Alexander P. Ashbourne / 1875-11-30

Chronology gap candidate, not a public rank correction. Patent row is verified; identity evidence remains pending.

Residence: Oakland, California
Category: domestic food tools / baking technology
Source status: under review
Chronology handling: chronology_gap_candidate
Cluster: Food and kitchen tools
Primary sources: 1 mapped

Source trail

Claims stay tied to source limits.

Chronology gap patent records

Patent anchors for 1875-1899 candidates. These rows support invention facts while identity evidence, rank placement, name variants, and public-memory context remain under review.

patent text mirrorpatent-record chronology gap candidate

US170460A - Improvement in Biscuit-Cutters

Google Patents / 1875 patent record

Supports: Shows Alexander P. Ashbourne of Oakland, California connected to an improvement in biscuit-cutters issued November 30, 1875.
Limit: The patent record verifies invention data, patent number, issue date, and recorded place. It does not by itself prove full identity, ancestry, biography, commercialization, or community memory.
Last checked: 2026-06-09
Source URL: https://patents.google.com/patent/US170460A/en