← Back to Patent Explorer
US2773597A Expired / Lapsed US ⏱️ 0.0 years remaining

Egg grader

Assignee: Individual
•
Filing: 1952-08-09
•
Granted: 1956-12-11
•
Expires: 1972-08-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Elmer J Gross

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 21:15
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/02; G01N33/08; G01N33/085; B; B07; B07C; B07C5/00; B07C5/16; B07C5/22

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US1770810A Cited
GB336328A Cited
US2112259A Cited
US2093338A Cited
US2160319A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-11 1960-06-11 1960-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-11 1964-06-11 1964-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-11 1968-06-11 1968-12-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag