US2521092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas range structure
Assignee: GERTIFIED GAS EQUIPMENT Co
•
Filing: 1944-06-20
•
Granted: 1950-09-05
•
Expires: 1964-06-20
Abstract
No abstract record available.
Inventors
- 👤 Pratt Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:51
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/08; F24C3/085; F23; F23D; F23D14/00; F23D14/46; F23D14/62; F23D14/64; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87877; Y10T137/87909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1822992A
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US1786330A
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US1818275A
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US1837080A
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US1879776A
Cited
US1968203A
Cited
US1879992A
Cited
US2061716A
Cited
US2069017A
Cited
US2083086A
Cited
US2083088A
Cited
US2300961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |