US2531717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooker
Assignee: Ekco Products Co
•
Filing: 1945-06-11
•
Granted: 1950-11-28
•
Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 Myron J Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:12
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; A47J27/0804; A47J27/0815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1085965A
Cited
US1759732A
Cited
FR639195A
Cited
US2093624A
Cited
US2134985A
Cited
US2188735A
Cited
US2416637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |