US2683447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure mechanism for cooking range ovens
Assignee: TAPPAN STOVE Co
•
Filing: 1952-05-05
•
Granted: 1954-07-13
•
Expires: 1972-05-05
Abstract
No abstract record available.
Inventors
- 👤 Earl S Pollock
- 👤 Edward H Groff
- 👤 Leonard K Mcfarland
- 👤 Hoy L Stichler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:14
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/023; E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB173306A
Cited
US1922587A
Cited
US2313582A
Cited
US2513414A
Cited
US2401977A
Cited
US2425365A
Cited
US2447341A
Cited
US2539151A
Cited
US2541942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |