Patent US1537553A successfully refreshed from Google Patents.
US1537553A
Expired / Lapsed
US
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Radiator
Assignee: Individual
•
Filing: 1924-06-10
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Granted: 1925-05-12
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Expires: 1944-06-10
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Rushmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:30
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/026; F28F9/027; F28F9/0273; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/05316; F28D1/05333; F28F13/00; F28F13/06; F28F13/12; F28F2009/0285; F28F2009/0292; Y; Y10; Y10S; Y10S165/00; Y10S165/184; Y10S165/217; Y10S165/221; Y10S165/222
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) | 1928-05-11 | 1928-11-10 | 1929-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-05-11 | 1932-11-10 | 1933-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-05-11 | 1936-11-10 | 1937-05-12 | $7700.00 | Window Closed / Lapsed |