Patent US1717038A successfully refreshed from Google Patents.
US1717038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for constructing radiators
Assignee: Individual
•
Filing: 1925-04-16
•
Granted: 1929-06-11
•
Expires: 1945-04-16
Abstract
No abstract record available.
Inventors
- 👤 Karmazin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:22
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/26; F28F1/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49377; Y10T29/49378; Y10T29/4938
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1932-06-10 | 1932-12-10 | 1933-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-06-10 | 1936-12-10 | 1937-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-06-10 | 1940-12-10 | 1941-06-11 | $7700.00 | Window Closed / Lapsed |