Patent US2598220A successfully refreshed from Google Patents.
US2598220A
Expired / Lapsed
US
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Cover sealing means for cooking utensils
Assignee: Individual
•
Filing: 1945-11-05
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Granted: 1952-05-27
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Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 Otto M Burkhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:19
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/0804; A47J27/0815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US101517A
Cited
US1077289A
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US1221707A
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US1519767A
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US2292819A
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US2277824A
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US2424800A
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US2330425A
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US2399115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |