US2470489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rifle rocket missile
Assignee: RAYMONDE BRIGGS HOPKINS
•
Filing: 1944-06-12
•
Granted: 1949-05-17
•
Expires: 1964-06-12
Abstract
No abstract record available.
Inventors
- 👤 Raymonde B Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:52
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/22; F42B10/24; F42B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1360602A
Cited
FR625104A
Cited
FR714676A
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FR41147E
Cited
US1994490A
Cited
DE618668C
Cited
FR831496A
Cited
US2145508A
Cited
US2397114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |