US1692818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of soldering radiators
Assignee: Individual
•
Filing: 1926-10-02
•
Granted: 1928-11-27
•
Expires: 1946-10-02
Abstract
No abstract record available.
Inventors
- 👤 George W Christoph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:20
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/08; B23K2101/00; B23K2101/04; B23K2101/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49393
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) | 1931-11-27 | 1932-05-28 | 1932-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-27 | 1936-05-28 | 1936-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-27 | 1940-05-28 | 1940-11-27 | $7700.00 | Window Closed / Lapsed |