US2903850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse jet
Assignee: Individual
•
Filing: 1953-05-11
•
Granted: 1959-09-15
•
Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:11
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/02; F02K7/06; B; B63; B63H; B63H11/00; B63H11/02; B63H11/04; B63H11/09; B63H11/12; B63H11/14
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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |