Patent US2864359A successfully refreshed from Google Patents.
US2864359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space heater
Assignee: SUBURBAN APPLIANCE CO
•
Filing: 1955-10-28
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Granted: 1958-12-16
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Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Charles O Vaughn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:10
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/06; F24H3/10; F24H3/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2249285A
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US2386115A
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US2482552A
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US2496505A
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US2581942A
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US2561100A
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US2508131A
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US2685875A
Cited
US2720876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |