Patent US2998753A successfully refreshed from Google Patents.
US2998753A
Expired / Lapsed
US
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Hoist device for trainable missile launchers
Assignee: Individual
•
Filing: 1955-06-30
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Granted: 1961-09-05
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Richard Z Knaub
- 👤 Hilton H Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:17
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/01; F41A9/06; F41A9/09; F41A9/20; F41A9/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US943956A
Cited
US1049839A
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US1745053A
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US2335446A
Cited
US2365521A
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US2381913A
Cited
US2463394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |