US3001452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary exhaust deflector
Assignee: Individual
•
Filing: 1959-01-28
•
Granted: 1961-09-26
•
Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 John A Urban
- 👤 Richard C Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:40
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/0413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1741726A
Cited
US2382386A
Cited
US2374608A
Cited
US2498995A
Cited
US2692024A
Cited
US2826382A
Cited
US2925013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |