Patent US3441342A successfully refreshed from Google Patents.
US3452453A
Expired / Lapsed
US
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Gunnery practice apparatus employing laser beams
Assignee: Saab AB
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Filing: 1967-05-03
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Granted: 1969-07-01
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Expires: 1987-05-03
Abstract
No abstract record available.
Inventors
- 👤 John Alex Ingvar Ohlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
F; F41; F41J; F41J9/00; F41J9/02; F41A; F41A33/00; F41A33/02; F41G; F41G3/00; F41G3/26; F41G3/2616; F41G3/2622; F41G3/2655; F41J5/00; F41J5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |