US2452790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooker
Assignee: Individual
•
Filing: 1945-09-29
•
Granted: 1948-11-02
•
Expires: 1965-09-29
Abstract
No abstract record available.
Inventors
- 👤 William A Pledger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:29
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/14; A47J27/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2124349A
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US2218263A
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US2296313A
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US2373620A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |