US2746449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kitchen stove ventilator
Assignee: S E PLEDGER
•
Filing: 1952-01-21
•
Granted: 1956-05-22
•
Expires: 1972-01-21
Abstract
No abstract record available.
Inventors
- 👤 William A Pledger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:14
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2081640A
Cited
US2376571A
Cited
US2532420A
Cited
US2535863A
Cited
US2577150A
Cited
US2586023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |