US2541218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bottle heater
Assignee: Individual
•
Filing: 1947-02-14
•
Granted: 1951-02-13
•
Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 Norman B Doerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:36
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)
US939605A
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US1394954A
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US1404317A
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US1483837A
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US1565539A
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US1574581A
Cited
US1623209A
Cited
US1860302A
Cited
GB486318A
Cited
US2277605A
Cited
US2431582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |