Patent US2529272A successfully refreshed from Google Patents.
US2529272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flared jamb furnace door frame
Assignee: Individual
•
Filing: 1948-03-16
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Granted: 1950-11-07
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Expires: 1968-03-16
Abstract
No abstract record available.
Inventors
- 👤 Yoxall John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:52
CPC Classifications
F; F23; F23M; F23M7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US530539A
Cited
US737937A
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US1391197A
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US1407708A
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US1605566A
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US1935853A
Cited
US2246403A
Cited
US2427547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |