Patent US2455047A successfully refreshed from Google Patents.
US2455047A
Expired / Lapsed
US
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Adjustable heater support
Assignee: Individual
•
Filing: 1945-02-15
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Granted: 1948-11-30
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Expires: 1965-02-15
Abstract
No abstract record available.
Inventors
- 👤 Charles C Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:55
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US205291A
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US615250A
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US1116086A
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US1397453A
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US1782660A
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US2017472A
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US2111244A
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US2072472A
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US2142570A
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US2333450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |