Patent US3765548B1 successfully refreshed from Google Patents.
US3765548B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3765548B1 - - Google Patents
Assignee: —
•
Filing: 1970-10-15
•
Granted: 1985-03-19
•
Expires: 1990-10-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:40
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/20; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/46; B65G65/466; F; F26; F26B; F26B9/00; F26B9/06; F26B9/08; F26B9/082; F26B9/085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1988-03-18 | 1988-09-17 | 1989-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-18 | 1992-09-17 | 1993-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-18 | 1996-09-17 | 1997-03-19 | $7700.00 | Window Closed / Lapsed |