Patent US3501180A successfully refreshed from Google Patents.
US3501180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling to provide angular and lateral orientation
Assignee: Visi-Trol Engineering Co
•
Filing: 1968-09-16
•
Granted: 1970-03-17
•
Expires: 1988-09-16
Abstract
No abstract record available.
Inventors
- 👤 William A Waara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:58
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16B; F16B1/00; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32196; Y10T403/32204; Y10T403/32606; Y10T403/32631; Y10T403/32647
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US553265A
Cited
US2096966A
Cited
US2431476A
Cited
US2730960A
Cited
US3269758A
Cited
US3406992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |