US2523378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wing-mounted jet reaction engine for aircraft
Assignee: Individual
•
Filing: 1945-11-28
•
Granted: 1950-09-26
•
Expires: 1965-11-28
Abstract
No abstract record available.
Inventors
- 👤 Kollsman Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:44
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/02; F02K7/06; B; B64; B64D; B64D27/00; B64D27/02; B64D27/16; B64D27/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE233162C
Cited
US1163333A
Cited
FR517894A
Cited
FR545444A
Cited
FR653534A
Cited
US1983405A
Cited
GB424955A
Cited
GB471177A
Cited
GB484405A
Cited
US2420323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |