Patent US2397766A successfully refreshed from Google Patents.
US2397766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable stove
Assignee: Coleman Lamp and Stove Co Ltd
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Filing: 1942-01-12
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Granted: 1946-04-02
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Expires: 1962-01-12
Abstract
No abstract record available.
Inventors
- 👤 Boyd W Tullis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:02
CPC Classifications
F; F24; F24C; F24C5/00; F24C5/20; F23; F23D; F23D11/00; F23D11/36; F23D11/44; F24C5/10; F23D2900/00; F23D2900/31023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-04-01 | 1949-10-01 | 1950-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-01 | 1953-10-01 | 1954-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-01 | 1957-10-01 | 1958-04-02 | $7700.00 | Window Closed / Lapsed |