US2525614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated range
Assignee: CRIBBEN AND SEXTON Co
•
Filing: 1947-06-21
•
Granted: 1950-10-10
•
Expires: 1967-06-21
Abstract
No abstract record available.
Inventors
- 👤 James A Nelson
- 👤 Jr Frederick J Port
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2007; F24C15/2042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3492A
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US1649416A
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US1710586A
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US1963281A
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US1969565A
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US2158881A
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US2068143A
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US2081640A
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US2182106A
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US2222436A
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US2376571A
Cited
US2369972A
Cited
US2438035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |