US2812112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can opener and dispenser
Assignee: Individual
•
Filing: 1956-05-03
•
Granted: 1957-11-05
•
Expires: 1976-05-03
Abstract
No abstract record available.
Inventors
- 👤 Allen Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:53
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/24; B67B7/26; B67B7/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA476658A
Cited
US1113270A
Cited
US1221724A
Cited
US1380662A
Cited
US1436211A
Cited
US1474077A
Cited
US2576889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |