Patent US2731146A successfully refreshed from Google Patents.
US2731146A
Expired / Lapsed
US
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Egg grading mechanism
Assignee: Individual
•
Filing: 1950-06-26
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Granted: 1956-01-17
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Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 George A Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:05
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; B07C5/22; A; A01; A01K; A01K43/00; Y; Y10; Y10S; Y10S209/00; Y10S209/912; Y10S209/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2246597A
Cited
US1641367A
Cited
US1484259A
Cited
GB446203A
Cited
US2347068A
Cited
US2481440A
Cited
US2488230A
Cited
US2517341A
Cited
US2531292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |