Patent US2979200A successfully refreshed from Google Patents.
US2979200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Egg grader
Assignee: Individual
•
Filing: 1958-05-22
•
Granted: 1961-04-11
•
Expires: 1978-05-22
Abstract
No abstract record available.
Inventors
- 👤 William E Mcbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:29
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; B07C5/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1219056A
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US1884999A
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US2112324A
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DE653622C
Cited
GB468838A
Cited
US2138475A
Cited
US2261303A
Cited
US2355715A
Cited
US2833408A
Cited
DK55091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |