US2485581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double walled pressure cooker
Assignee: Individual
•
Filing: 1946-10-22
•
Granted: 1949-10-25
•
Expires: 1966-10-22
Abstract
No abstract record available.
Inventors
- 👤 William C Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:20
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; Y; Y10; Y10T; Y10T292/00; Y10T292/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306637A
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US517673A
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US857329A
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US945659A
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US1016755A
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US1058146A
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US1077289A
Cited
US1331409A
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US2176400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |