US2584613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kitchen stove ventilator
Assignee: Individual
•
Filing: 1948-05-07
•
Granted: 1952-02-05
•
Expires: 1968-05-07
Abstract
No abstract record available.
Inventors
- 👤 William A Pledger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:15
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2007; F24C15/2042; Y; Y10; Y10S; Y10S55/00; Y10S55/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22228E
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US607976A
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US217353A
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US1732315A
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US1477590A
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US1671524A
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GB370160A
Cited
US2417842A
Cited
US2398508A
Cited
US2369375A
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US2482952A
Cited
US2494146A
Cited
US2525614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |