Patent US3246907A successfully refreshed from Google Patents.
US3246907A
Expired / Lapsed
US
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Magnetic ski binding or harness
Assignee: Individual
•
Filing: 1964-01-07
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Granted: 1966-04-19
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Expires: 1984-01-07
Abstract
No abstract record available.
Inventors
- 👤 Douglas S Chisholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:06
CPC Classifications
A; A63; A63C; A63C9/00; A63C9/08; A63C9/088; A63C9/0885; A63C11/00; A63C11/22; A63C9/0802
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A DEVICE FOR SECURING SKIS TO BOOTS COMPRISING A SHOE MEMBER AND A SKI MEMBER, A VARIABLE STRENGTH PERMANENT MAGNET ON ONE OF THE MEMBERS AND A COOPERATING MAGNETIC ARMATURE ON THE OTHER OF THE MEMBERS, THE MEMBERS BEING SO CONSTRUCTED AND ARRANGED AS TO PREVENT THE TWO MEMBERS FROM SLIDING IN RELATIONSHIP TO EACH OTHER WHEN IN COOPERATIVE ENGAGEMENT, A MEANS TO VARY THE STRENGTH OF THE MAGNET IN COOPERATIVE COMBINATION WITH THE VARIABLE STRENGTH PERMANENT MAGNET, AN ELECTRICAL POWER SOURCE OPERATIVELY CONNECTED BY ELECTRICAL LEADS TO THE MEANS TO VARY THE STRENGTH OF THE MAGNET AND TO AN ELECTRICAL SWITCH, TO THEREBY SELECTIVELY RETAIN THE SHOE MEMBER IN ASSOCIATION WITH THE SKI MEMBER AND THE ELECTRICAL LEADS AND SWITCH BEING ADAPTED TO BE WORN UPON A SKIER.
Claim 2
Independent Claim
129 words
A DEVICE FOR SECURING SKIS TO BOOTS COMPRISING A SHOE MEMBER AND A SKI MEMBER, A VARIABLE STRENGTH PERMANENT MAGNET ON ONE OF THE MEMBERS AND A COOPERATING MAGNETIC ARMATURE ON THE OTHER OF THE MEMBERS, THE MEMBERS BEING SO CONSTRUCTED AND ARRANGED AS TO PREVENT THE TWO MEMBERS FROM SLIDING IN RELATIONSHIP TO EACH OTHER WHEN IN COOPERATIVE ENGAGEMENT, A MEANS TO VARY THE STRENGTH OF THE MAGNET IN COOPERATIVE COMBINATION WITH THE VARIABLE STRENGTH PERMANENT MAGNET, AN ELECTRICAL POWER SOURCE OPERATIVELY CONNECTED BY ELECTRICAL LEADS TO THE MEANS TO VARY THE STRENGTH OF THE MAGNET AND TO AN ELECTRICAL SWITCH, TO THEREBY SELECTIVELY RETAIN THE SHOE MEMBER IN ASSOCIATION WITH THE SKI MEMBER AND THE ELECTRICAL LEADS AND SWITCH BEING ADAPTED TO BE WORN UPON A SKIER.
References Cited (Backward Citations)
US1672700A
Cited
US2276826A
Cited
GB651868A
Cited
US2754497A
Cited
US2805296A
Cited
US3079535A
Cited
US2965982A
Cited
US3089064A
Cited
US3079191A
Cited
US3013624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |