US2061287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pipe welding machine
Assignee: Individual
•
Filing: 1930-10-31
•
Granted: 1936-11-17
•
Expires: 1950-10-31
Abstract
No abstract record available.
Inventors
- 👤 William F Muehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:01
CPC Classifications
B; B23; B23K; B23K5/00; B23K5/02; B23K5/08; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53983
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) | 1939-11-17 | 1940-05-18 | 1940-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-17 | 1944-05-18 | 1944-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-17 | 1948-05-18 | 1948-11-17 | $7700.00 | Window Closed / Lapsed |