US2517366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe tong die
Assignee: WEB WILSON OIL TOOLS Inc
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Filing: 1948-03-01
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Granted: 1950-08-01
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Expires: 1968-03-01
Abstract
No abstract record available.
Inventors
- 👤 William A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:01
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16; E21B19/161; B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/5008; B25B13/5016; B25B13/5025; B25B13/5041; B25B13/505; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1986; Y10T279/34; Y10T279/3462
Claims Analysis
Total Claims: 0
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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) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |