US3149412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube puller
Assignee: Standard Oil Co
•
Filing: 1962-06-22
•
Granted: 1964-09-22
•
Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Curfman Ronald Locke
- 👤 Robert W Just
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:11
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/026; B23; B23P; B23P19/00; B23P19/02; B23P19/022; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53113; Y10T29/53796; Y10T29/53987
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |