US2487287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator enclosure
Assignee: Warren Webster & Co
•
Filing: 1946-04-17
•
Granted: 1949-11-08
•
Expires: 1966-04-17
Abstract
No abstract record available.
Inventors
- 👤 Henry J Weber
- 👤 Donald F Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:16
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/02; F24D19/04; F28; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053
Claims Analysis
Total Claims: 0
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US2203119A
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US2355629A
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US2250330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |