Patent US3827372A successfully refreshed from Google Patents.
US3827372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Haulage grip for releasably gripping a traction cable
Assignee: POMA 2000 SA
•
Filing: 1971-12-30
•
Granted: 1974-08-06
•
Expires: 1991-12-30
Abstract
Abstract A HAULAGE GRIP FOR RELEASABLY GRIPPING A TRACTION CABLE BY WHICH A VEHICLE PROVIDED WITH THAT GRIP IS MOVED. THE HAULAGE GRIP COMPRISES TWO PIVOTALLY MOUNTED LEVERS EACH LEVER BEING BIASED BY A TORSION BAR INTO A CLOSING POSITION FOR GRIPPING THE CABLE AND EACH LEVER BEING PROVIDED WITH A ROLLER TO COOPERATE WITH STATIONARY CAM RAILS WHICH CONTROL THE OPENING AND CLOSING OF THE GRIP. TOOTHED SEGMENTS CONNECT MECHANICALLY THE TWO LEVERS WHICH PIVOT TOGETHER SYMMETRICALLY.
Inventors
- 👤 R Laurent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:59
CPC Classifications
B; B61; B61B; B61B12/00; B61B12/12; B61B12/122
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) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |