US2972933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Missile hand launching system
Assignee: General Dynamics Corp
•
Filing: 1957-12-23
•
Granted: 1961-02-28
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 John M Guthrie
- 👤 Jr George D Harkey
- 👤 Donald I Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:53
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/045; F41F3/0455; F41A; F41A19/00; F41A19/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US194489A
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US455279A
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US1397698A
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US2095490A
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US2337145A
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US2383471A
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US2496316A
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US2568455A
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US2435217A
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FR1029435A
Cited
US2742820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |