US2938648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cooker
Assignee: PHELAN
•
Filing: 1957-12-26
•
Granted: 1960-05-31
•
Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Louis A M Phelan
- 👤 Harold V Kelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:15
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/0817
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1230316A
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US1266926A
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US1359875A
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US2210294A
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US2423069A
Cited
US2534164A
Cited
US2596353A
Cited
US2529329A
Cited
US2552053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |