US2332685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing make-up device
Assignee: Phillips Petroleum Co
•
Filing: 1941-04-25
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Granted: 1943-10-26
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Expires: 1961-04-25
Abstract
No abstract record available.
Inventors
- 👤 Donald W Auld
- 👤 Olof B Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:56
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1913; Y10T279/1921; Y10T279/27; Y10T279/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-25 | 1947-04-26 | 1947-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-25 | 1951-04-26 | 1951-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-25 | 1955-04-26 | 1955-10-26 | $7700.00 | Window Closed / Lapsed |