US3307494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draw implement, particularly a ski lift device, for transportation of individuals
Assignee: Motorenfabrik Hatz GmbH and Co KG
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Filing: 1964-11-10
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Granted: 1967-03-07
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Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 Samitz Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:07
CPC Classifications
B; B66; B66D; B66D3/00; B61; B61B; B61B11/00; B61B11/002; B61B11/004; B61B11/006; B66D5/00; B66D2700/00; B66D2700/02; B66D2700/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A SKI-LIFT DEVICE COMPRISING: A FRAME MOUNTED ON SNOW RUNNERS, SAID SNOW RUNNERS BEING CURVED AT EACH OF THEIR ENDS SO AS TO PERMIT SLIDING MOVEMENT OF SAID RUNNERS ON A SNOW SURFACE IN EITHER FORWARD OR REVERSE DIRECTION; A CABLE DRUM ROTATABLY MOUNTED ON SAID FRAME; A CABLE MEMBER HAVING ONE OF ITS ENDS CONNECTED TO SAID CABLE DRUM SO AS TO EFFECT WINDING OR UNWINDING OF THE CABLE AS THE DRUM ROTATES; MOTOR MEANS MOUNTED ON SAID FRAME; MEANS RELEASABLY CONNECTING SAID MOTOR MEANS TO SAID CABLE DRUM TO ROTATE SAID CABLE IN ONE DIRECTION; HANDLE MEANS CARRIED BY SAID FRAME TO PROVIDE A GRASPING SURFACE FOR SKIERS TO USE IN BEING TRANSPORTED UPHILL BY THE DEVICE; AND CONTROL MEANS PERMITTING ENGAGEMENT OR RELEASE OF SAID CONNECTING MEANS SO AS TO HAVE SAID MOTOR MEANS ROTATE SAID CABLE DRUM OR TO PERMIT
Claim 2
Dependent Claim
144 words
A SKI-LIFT DEVICE COMPRISING: A FRAME MOUNTED ON SNOW RUNNERS, SAID SNOW RUNNERS BEING CURVED AT EACH OF THEIR ENDS SO AS TO PERMIT SLIDING MOVEMENT OF SAID RUNNERS ON A SNOW SURFACE IN EITHER FORWARD OR REVERSE DIRECTION; A CABLE DRUM ROTATABLY MOUNTED ON SAID FRAME; A CABLE MEMBER HAVING ONE OF ITS ENDS CONNECTED TO SAID CABLE DRUM SO AS TO EFFECT WINDING OR UNWINDING OF THE CABLE AS THE DRUM ROTATES; MOTOR MEANS MOUNTED ON SAID FRAME; MEANS RELEASABLY CONNECTING SAID MOTOR MEANS TO SAID CABLE DRUM TO ROTATE SAID CABLE IN ONE DIRECTION; HANDLE MEANS CARRIED BY SAID FRAME TO PROVIDE A GRASPING SURFACE FOR SKIERS TO USE IN BEING TRANSPORTED UPHILL BY THE DEVICE; AND CONTROL MEANS PERMITTING ENGAGEMENT OR RELEASE OF SAID CONNECTING MEANS SO AS TO HAVE SAID MOTOR MEANS ROTATE SAID CABLE DRUM OR TO PERMIT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |