US2595480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated range
Assignee: CRIBBEN AND SEXTON Co
•
Filing: 1947-05-08
•
Granted: 1952-05-06
•
Expires: 1967-05-08
Abstract
No abstract record available.
Inventors
- 👤 James A Nelson
- 👤 Frederick J Port
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:58
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)
US388163A
Cited
US607976A
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US2302268A
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US1584619A
Cited
GB370160A
Cited
US1969565A
Cited
US2081640A
Cited
US2182106A
Cited
US2417842A
Cited
US2482952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |