US1728973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile radiator
Assignee: Individual
•
Filing: 1927-08-22
•
Granted: 1929-09-24
•
Expires: 1947-08-22
Abstract
No abstract record available.
Inventors
- 👤 Patrick H Lonergan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/0231; F01; F01P; F01P11/00; F01P11/14; F01P11/20
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) | 1932-09-23 | 1933-03-25 | 1933-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-23 | 1937-03-25 | 1937-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-23 | 1941-03-25 | 1941-09-24 | $7700.00 | Window Closed / Lapsed |