US2803873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven can opener
Assignee: Individual
•
Filing: 1955-05-17
•
Granted: 1957-08-27
•
Expires: 1975-05-17
Abstract
No abstract record available.
Inventors
- 👤 Robert I Lappin
- 👤 Zaiger Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:13
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1405066A
Cited
US2286303A
Cited
US2579189A
Cited
US2555931A
Cited
US2648127A
Cited
US2582504A
Cited
US2617185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |