US2795689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pipe welding apparatus
Assignee: Individual
•
Filing: 1954-02-24
•
Granted: 1957-06-11
•
Expires: 1974-02-24
Abstract
No abstract record available.
Inventors
- 👤 Louis C Mcnutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:52
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/001; B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19851; Y10T74/1986
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |