US2879589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can opener
Assignee: John Oster Manufacturing Co
•
Filing: 1957-12-12
•
Granted: 1959-03-31
•
Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Ulke William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:48
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736091A
Cited
US1071974A
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US1553599A
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US2012955A
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US1989807A
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US2204368A
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US2244846A
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US2437234A
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US2441322A
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US2615241A
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US2573427A
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US2532898A
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US2568962A
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US2579189A
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US2573031A
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US2601303A
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US2602991A
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US2624110A
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US2789345A
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US2825963A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |