US3122048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable backing key
Assignee: Individual
•
Filing: 1962-02-01
•
Granted: 1964-02-25
•
Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Lowis S Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:07
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/08; B21; B21D; B21D37/00; B21D37/04; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q16/00; B23Q16/006; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53687; Y10T83/00; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9478; Y10T83/9483; Y10T83/9486
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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |