US2914330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-turning mandrels
Assignee: Individual
•
Filing: 1956-08-16
•
Granted: 1959-11-24
•
Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 Harold W Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
B; B25; B25B; B25B9/00; B25B13/00; B25B13/48; B25B13/50; B25B13/5008; B25B13/5083; B25B27/00; B25B27/14; B25B27/18; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE205291C
Cited
US1231262A
Cited
US1813567A
Cited
US1892904A
Cited
US2320435A
Cited
US2497633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |