Patent US2133060A successfully refreshed from Google Patents.
US2133060A
Expired / Lapsed
US
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Closure for pressure cookers
Assignee: Individual
•
Filing: 1936-12-30
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Granted: 1938-10-11
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Expires: 1956-12-30
Abstract
No abstract record available.
Inventors
- 👤 Percy W Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:16
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/0804; A47J27/0813; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2143; Y10T24/2153; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-10-10 | 1942-04-11 | 1942-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-10 | 1946-04-11 | 1946-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-10 | 1950-04-11 | 1950-10-11 | $7700.00 | Window Closed / Lapsed |