US3535809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing equipment for simulating gunfire
Assignee: HOFFMANN WERKE J OSWALD HOFFMANN Firma
•
Filing: 1968-02-02
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Granted: 1970-10-27
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Expires: 1988-02-02
Abstract
No abstract record available.
Inventors
- 👤 Oswald Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:56
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/16; F41A21/32; F41A21/325; F41A33/00; F41A33/04; F41F; F41F1/00; F41F1/08; F42; F42B; F42B14/00; F42B14/06; F42B14/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE709463C
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GB525065A
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US2368018A
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US2548946A
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US2751502A
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US3034434A
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US3280744A
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US3336870A
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US3368454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |