US2656852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooker valve
Assignee: General Mills Inc
•
Filing: 1947-06-05
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Granted: 1953-10-27
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Expires: 1967-06-05
Abstract
No abstract record available.
Inventors
- 👤 Westby Henry Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:18
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/7877; Y10T137/7904; Y10T137/7908; Y10T137/7909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US972653A
Cited
AT78173B
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US1418530A
Cited
DE559659C
Cited
US1933740A
Cited
GB406391A
Cited
US2049158A
Cited
US2209903A
Cited
US2245946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |