US1510828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator for internal-combustion engines
Assignee: Individual
•
Filing: 1922-08-12
•
Granted: 1924-10-07
•
Expires: 1942-08-12
Abstract
No abstract record available.
Inventors
- 👤 Willard C Chapin
- 👤 James H Pettee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:17
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/001; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/05316; F28D1/05333; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/471; Y10S165/48
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) | 1927-10-07 | 1928-04-07 | 1928-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-10-07 | 1932-04-07 | 1932-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-10-07 | 1936-04-07 | 1936-10-07 | $7700.00 | Window Closed / Lapsed |