Patent US1064262A successfully refreshed from Google Patents.
Patent US2138187A successfully refreshed from Google Patents.
US2138187A
Expired / Lapsed
US
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Radiator
Assignee: JOHN J NESBITT Inc
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Filing: 1937-06-16
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Granted: 1938-11-29
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Expires: 1957-06-16
Abstract
No abstract record available.
Inventors
- 👤 Mcelgin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:20
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/26; F28F9/262; F24; F24D; F24D1/00; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/047; F28D1/0475; F28D1/053; F28D1/05316; F28D1/05325; F28D1/05341; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/32; F28F9/02; F28F9/026; F28F9/027; F28F9/0273; F28D21/00; F28D2021/0019; F28D2021/0035; F28D2021/0061; F28D2021/0063; F28D7/00; F28D7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-28 | 1942-05-30 | 1942-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-28 | 1946-05-30 | 1946-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-28 | 1950-05-30 | 1950-11-29 | $7700.00 | Window Closed / Lapsed |