US2677929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust deflector
Assignee: Peters and Russell Inc
•
Filing: 1949-03-08
•
Granted: 1954-05-11
•
Expires: 1969-03-08
Abstract
No abstract record available.
Inventors
- 👤 Linus E Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:35
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/20; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1459
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1103814A
Cited
US1854478A
Cited
US2252228A
Cited
US2355674A
Cited
US2313772A
Cited
US2466307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |