US3458105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
360 vacuum seal control for internal pipeline line-up clamp
Assignee: LAMAR T VALENTINE
•
Filing: 1967-09-08
•
Granted: 1969-07-29
•
Expires: 1987-09-08
Abstract
No abstract record available.
Inventors
- 👤 Lamar T Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:37
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/053; B23K37/0531; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3387761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |