US3760669B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3760669B1 - - Google Patents
Assignee: —
•
Filing: 1972-02-23
•
Granted: 1987-11-03
•
Expires: 1992-02-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:07
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/006; B65H35/0066; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/20; B26D1/205; B26D5/00; B26D5/38; B26D5/40; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/101; Y10T83/444; Y10T83/4443; Y10T83/4445; Y10T83/4455; Y10T83/4458; Y10T83/446; Y10T83/4539; Y10T83/4541; Y10T83/4597; Y10T83/4599; Y10T83/849; Y10T83/868; Y10T83/869; Y10T83/8776; Y10T83/8821; Y10T83/8837; Y10T83/8841; Y10T83/8843; Y10T83/929; Y10T83/9457; Y10T83/9488
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) | 1990-11-02 | 1991-05-04 | 1991-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-02 | 1995-05-04 | 1995-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-02 | 1999-05-04 | 1999-11-03 | $7700.00 | Window Closed / Lapsed |