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US2775200A
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US
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Priming device
Assignee: Hercules Powder Co
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Filing: 1952-12-03
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Granted: 1956-12-25
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Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Richard G Guenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:38
CPC Classifications
C; C06; C06C; C06C7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US58656A
Cited
GB189420281A
Cited
US905336A
Cited
GB191120110A
Cited
GB145791A
Cited
GB343485A
Cited
US2407595A
Cited
US2425854A
Cited
US2429246A
Cited
US2709407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |