Patent US2696205A successfully refreshed from Google Patents.
US2696205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-fired wall heater and radiant therefor
Assignee: Individual
•
Filing: 1949-11-17
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Granted: 1954-12-07
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Expires: 1969-11-17
Abstract
No abstract record available.
Inventors
- 👤 Charles L Ruhl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:46
CPC Classifications
F; F24; F24C; F24C1/00; F24C1/14; F24C15/00; F24C15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB176216A
Cited
US1539477A
Cited
US1564362A
Cited
US1582657A
Cited
US1726000A
Cited
GB380352A
Cited
GB537776A
Cited
GB582317A
Cited
GB608116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |