US2669773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for transferring collars
Assignee: Tuboscope Co
•
Filing: 1951-04-16
•
Granted: 1954-02-23
•
Expires: 1971-04-16
Abstract
No abstract record available.
Inventors
- 👤 Price Berry Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:52
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/10; E21B17/12; B; B25; B25B; B25B27/00; B25B27/14; B25B27/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/53; Y10T29/53657; Y10T29/53665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US889315A
Cited
US2263778A
Cited
US2252692A
Cited
US2320553A
Cited
US2327088A
Cited
US2291251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |