US2920569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical pellet primer
Assignee: Individual
•
Filing: 1954-07-19
•
Granted: 1960-01-12
•
Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Menke Joseph Ferdinand
- 👤 Doerpinghaus Ernst Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:14
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/103; F42B3/12; F42B3/125; F42B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733320A
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US921049A
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US1832052A
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US1935495A
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US2185370A
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US2230080A
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US2382921A
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US2356337A
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US2493434A
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US2629166A
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US2693023A
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US2754757A
Cited
US2767655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |