US2426610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket launching gun
Assignee: RAYMONDE BRIGGS HOPKINS
•
Filing: 1944-11-21
•
Granted: 1947-09-02
•
Expires: 1964-11-21
Abstract
No abstract record available.
Inventors
- 👤 Raymonde B Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:32
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1303266A
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US874031A
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US1080492A
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US1108716A
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US1349414A
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US1270988A
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US1294240A
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US1351649A
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US1380171A
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GB469402A
Cited
US2349728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |