US2702046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety plug for pressure cookers
Assignee: Ekco Products Co
•
Filing: 1948-06-15
•
Granted: 1955-02-15
•
Expires: 1968-06-15
Abstract
No abstract record available.
Inventors
- 👤 Myron J Zimmer
- 👤 Edmund L Duskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:10
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7734; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7879; Y10T137/7888; Y10T137/7904; Y10T137/7908; Y10T137/7909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US360781A
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US1313554A
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US701607A
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US1475554A
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US1503145A
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US2160398A
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US2301724A
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US2276502A
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US2270332A
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US2428483A
Cited
US2429149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |