US2690124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction firing means for rockets
Assignee: United States Department of the Army
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Filing: 1950-10-19
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Granted: 1954-09-28
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Expires: 1970-10-19
Abstract
No abstract record available.
Inventors
- 👤 John M Melick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:19
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/58; F41A19/63; F41F; F41F3/00; F41F3/04; F41F3/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |