US3461264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for welding girth joints in pipe lines
Assignee: CRC Evans Pipeline International Inc
•
Filing: 1967-01-12
•
Granted: 1969-08-12
•
Expires: 1987-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jerome W Nelson
- 👤 Eugene F Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:08
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0284; B23K37/00; B23K37/04; B23K37/053; B23K37/0531; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |