US4143760B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4143760B1 - - Google Patents
Assignee: Individual
•
Filing: 1976-07-22
•
Granted: 1991-02-05
•
Expires: 1996-07-22
Abstract
No abstract record available.
Inventors
- 👤 A Hallstrom Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:23
CPC Classifications
B; B65; B65G; B65G25/00; B65G25/04; B65G25/06; B65G25/065
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) | 1994-02-04 | 1994-08-06 | 1995-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-04 | 1998-08-06 | 1999-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-04 | 2002-08-06 | 2003-02-05 | $7700.00 | Window Closed / Lapsed |