Patent US1037979A successfully refreshed from Google Patents.
US1037979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for welding.
Assignee: Individual
•
Filing: 1910-11-29
•
Granted: 1912-09-10
•
Expires: 1930-11-29
Abstract
No abstract record available.
Inventors
- 👤 Frank C Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:09
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0205; Y; Y10; Y10S; Y10S228/00; Y10S228/902
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) | 1915-09-10 | 1916-03-11 | 1916-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-10 | 1920-03-11 | 1920-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-10 | 1924-03-11 | 1924-09-10 | $7700.00 | Window Closed / Lapsed |