Patent US1882085A successfully refreshed from Google Patents.
US1882085A
Expired / Lapsed
US
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Radiator
Assignee: Herman Nelson Co
•
Filing: 1931-04-04
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Granted: 1932-10-11
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Expires: 1951-04-04
Abstract
No abstract record available.
Inventors
- 👤 Richard H Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:28
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/05316; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/123; F28F2265/00; F28F2265/26; Y; Y10; Y10S; Y10S165/00; Y10S165/051; Y10S165/052; Y10S165/063
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) | 1935-10-11 | 1936-04-11 | 1936-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-11 | 1940-04-11 | 1940-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-11 | 1944-04-11 | 1944-10-11 | $7700.00 | Window Closed / Lapsed |