US2683449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container and chemical heater
Assignee: UNITED FOOD SERVICES Inc
•
Filing: 1951-11-06
•
Granted: 1954-07-13
•
Expires: 1971-11-06
Abstract
No abstract record available.
Inventors
- 👤 Katz Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:01
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24; A47J36/28; B; B65; B65D; B65D81/00; B65D81/34; B65D81/3484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US865940A
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CH40523A
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US2036611A
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US2033517A
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US2265172A
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US2425900A
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US2553878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |