US3469757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power devices employing impact ignited low explosive
Assignee: United Shoe Machinery Corp
•
Filing: 1966-11-09
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Granted: 1969-09-30
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Expires: 1986-11-09
Abstract
No abstract record available.
Inventors
- 👤 Robert C Kvavle
- 👤 William L Lewis
- 👤 Charles J De Caro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:43
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/082; B25C1/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2697830A
Cited
US2804620A
Cited
US2731636A
Cited
US3168744A
Cited
US3235154A
Cited
US3323705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |