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Patent holder profile

Willis Johnson and the egg-beater patent record

Johnson's 1884 egg-beater patent is a kitchen-labor chronology-gap candidate held noindex until identity evidence is ledgered.

Why this belongs on CultureUp

Johnson is a public-record memory story.

Johnson belongs in source review because kitchen labor and food processing are part of technical public memory.

Chronology gap candidate 3 / not final rankStatus: noindex_draftSource grade: B+

Patent: 292821: Egg-Beater
Issue date: 1884-02-05
Place: Cincinnati, Ohio
Record strength: Patent-record facts are attached, but identity evidence remains under review.
Identity evidence: Identity evidence pending before promotion.
Sprint priority: 3 / 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: Identity-source ledger required before indexable promotion.
Needed before promotion: Identity evidence and source-led sequence review.
Why this record matters: The patent row adds food processing and kitchen labor to the 1884 chronology gap.

What the public record supports

U.S. Patent No. 292821, issued February 5, 1884.
Egg-beater invention category.
Cincinnati 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. 292821 for an egg-beater issued February 5, 1884.

The person in the record

Person context remains under source review.

Place attached to the claim

Cincinnati is the recorded place anchor.

The invention

The invention belongs to egg beating and food processing.

Business, labor, and use

The patent supports a design claim, not all labor or commercialization.

What the record cannot prove

The patent cannot prove full identity, ancestry, biography, commercialization, 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 3Not public rankutility patentunder review

292821: Egg-Beater

Willis Johnson / 1884-02-05

Chronology gap candidate, not a public rank correction. Identity-source ledger is required before indexable promotion.

Residence: Cincinnati, Ohio
Category: kitchen labor / food processing
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

US292821A - Egg-Beater

Google Patents / 1884 patent record

Supports: Shows Willis Johnson of Cincinnati, Ohio connected to an egg-beater patent issued February 5, 1884.
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/US292821A/en