US2870839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Batt cutting machine
Assignee: Carney Co Inc
•
Filing: 1955-01-18
•
Granted: 1959-01-27
•
Expires: 1975-01-18
Abstract
No abstract record available.
Inventors
- 👤 William C Duane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:55
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; Y; Y10; Y10T; Y10T83/00; Y10T83/485; Y10T83/494; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491; Y10T83/6584; Y10T83/6606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US55336A
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US487621A
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US527051A
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US630631A
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US860530A
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US1108163A
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US1567706A
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US1894850A
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US1959418A
Cited
US2298221A
Cited
GB568737A
Cited
US2454316A
Cited
US2692645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |