US2717534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket launcher
Assignee: Individual
•
Filing: 1947-07-30
•
Granted: 1955-09-13
•
Expires: 1967-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry F Atherton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:00
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/01; F41A9/04; F41A9/24; F41A9/26; F41A9/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1351649A
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US1434044A
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US1399119A
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US2011889A
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US2380024A
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US2391864A
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GB560813A
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US2451522A
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US2440634A
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US2517660A
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US2447092A
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US2466578A
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US2440723A
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US2468216A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |