US2821350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet airplane construction
Assignee: Individual
•
Filing: 1953-06-11
•
Granted: 1958-01-28
•
Expires: 1973-06-11
Abstract
No abstract record available.
Inventors
- 👤 Smurik Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:35
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; B; B64; B64C; B64C3/00; B64C3/10; B64D; B64D27/00; B64D27/02; B64D27/16; B64D35/00; B64D35/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1733792A
Cited
US1369672A
Cited
US2111318A
Cited
US2470348A
Cited
US2600235A
Cited
US2501078A
Cited
US2457157A
Cited
US2485207A
Cited
US2713243A
Cited
US2514888A
Cited
US2589945A
Cited
US2515644A
Cited
US2684817A
Cited
US2696079A
Cited
US2658333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |