US1618485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator
Assignee: Individual
•
Filing: 1925-07-22
•
Granted: 1927-02-22
•
Expires: 1945-07-22
Abstract
No abstract record available.
Inventors
- 👤 Fred A C Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:57
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/32; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/0535; F28D1/05366; F28D1/05383; F28F1/02; F28F1/04; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/442; Y10S165/443
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) | 1930-02-21 | 1930-08-23 | 1931-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-02-21 | 1934-08-23 | 1935-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-02-21 | 1938-08-23 | 1939-02-22 | $7700.00 | Window Closed / Lapsed |