US2500241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bottle heater
Assignee: Individual
•
Filing: 1946-08-10
•
Granted: 1950-03-14
•
Expires: 1966-08-10
Abstract
No abstract record available.
Inventors
- 👤 George W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:33
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24; A47J36/2411; A47J36/2433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1604972A
Cited
US947914A
Cited
US1033799A
Cited
US1414494A
Cited
US1656662A
Cited
US1971387A
Cited
US1966949A
Cited
US2245762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |