US2517320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double vessel for warming articles of food
Assignee: Individual
•
Filing: 1946-06-21
•
Granted: 1950-08-01
•
Expires: 1966-06-21
Abstract
No abstract record available.
Inventors
- 👤 Dorothy D Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:34
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/16; A47J36/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1023645A
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US1395345A
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US1456238A
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US1698225A
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US1710971A
Cited
FR658103A
Cited
US2001615A
Cited
US2170904A
Cited
US2221098A
Cited
US2218974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |