US3251607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the electromagnetic control of skis
Assignee: Individual
•
Filing: 1963-07-09
•
Granted: 1966-05-17
•
Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Paul E Wren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:04
CPC Classifications
A; A63; A63C; A63C9/00; A63C9/08; A63C9/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A BOOT AND SKI COMBINATION COMPRISING: SELF-CONTAINED, ELECTRIC POWER PRODUCING MEANS CARRIED BY SAID COMBINATION; MANUALLY ADJUSTABLE CONTROL MEANS CONNECTED TO SAID POWER PRODUCING MEANS FOR PRODUCING A CONTROLLED OUTPUT VOLTAGE; WIRE COIL MEANS CARRIED BY SAID SKI AND ELECTRICALLY CONNECTED TO SAID CONTROL MEANS WHEREBY SAID COIL MEANS PRODUCES ELECTROMAGNETIC INFLUENCE OF CONTROLLED MAGNITUDE; EXTERNAL MEANS ACTED ON BY SAID ELECTROMAGNETIC INFLUENCE, SAID EXTERNAL MEANS BEING ASSOCIATED WITH SAID BOOT AND HOLDING THE SAME IN ENGAGEMENT WITH SAID SKI WITH A HOLDING FORCE PROPORTIONAL TO THE MAGNITUDE OF THE ELECTROMAGNETIC INFLUENCE.
Claim 2
Dependent Claim
92 words
A BOOT AND SKI COMBINATION COMPRISING: SELF-CONTAINED, ELECTRIC POWER PRODUCING MEANS CARRIED BY SAID COMBINATION; MANUALLY ADJUSTABLE CONTROL MEANS CONNECTED TO SAID POWER PRODUCING MEANS FOR PRODUCING A CONTROLLED OUTPUT VOLTAGE; WIRE COIL MEANS CARRIED BY SAID SKI AND ELECTRICALLY CONNECTED TO SAID CONTROL MEANS WHEREBY SAID COIL MEANS PRODUCES ELECTROMAGNETIC INFLUENCE OF CONTROLLED MAGNITUDE; EXTERNAL MEANS ACTED ON BY SAID ELECTROMAGNETIC INFLUENCE, SAID EXTERNAL MEANS BEING ASSOCIATED WITH SAID BOOT AND HOLDING THE SAME IN ENGAGEMENT WITH SAID SKI WITH A HOLDING FORCE PROPORTIONAL TO THE MAGNITUDE OF THE ELECTROMAGNETIC INFLUENCE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |