US2817272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket launcher
Assignee: Individual
•
Filing: 1951-05-10
•
Granted: 1957-12-24
•
Expires: 1971-05-10
Abstract
No abstract record available.
Inventors
- 👤 Dwight F Gunder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:21
CPC Classifications
F; F41; F41A; F41A3/00; F41A3/64; F41A3/74; F41A27/00; F41A27/06; F41A27/08; F41A27/10; F41A3/02; F41A3/10; F41F; F41F3/00; F41F3/04; F41F3/052
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189425326A
Cited
US785644A
Cited
US1356858A
Cited
DE495227C
Cited
GB511284A
Cited
GB573302A
Cited
US2391864A
Cited
US2566390A
Cited
US2458476A
Cited
US2430636A
Cited
GB612997A
Cited
GB632599A
Cited
US2478774A
Cited
FR974679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |