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US3908780A Expired / Lapsed US ⏱️ 0.0 years remaining

Motorcycle safety system

Assignee: Individual
•
Filing: 1974-09-25
•
Granted: 1975-09-30
•
Expires: 1994-09-25
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Abstract

Abstract A safety system for motorcycles including a limit switch mounted on the motorcycle within the electrical circuit of the engine, the switch being biased normally to preclude operation of the engine and being positioned to be closed by lifting of the kickstand to its running position thereby permitting operation of the engine.

Inventors

  • 👤 Clifford Mcclure
  • 👤 Marvin G Mcclure

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:35
CPC Classifications
B; B62; B62H; B62H1/00; B62H1/02

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 75 words
A safety system for motor vehicles including an engine and a storage stand, said safety system having engine-defeating means including an engine defeat switch, said switch being positioned to be engaged by said storage stand when said stand is in its raised position, said engine-defeating means including an engine-operating electrical circuit and said switch being connected in said circuit to defeat said circuit and said engine until said storage stand is in its raised position.
Claim 2
Dependent Claim 75 words
A safety system for motor vehicles including an engine and a storage stand, said safety system having engine-defeating means including an engine defeat switch, said switch being positioned to be engaged by said storage stand when said stand is in its raised position, said engine-defeating means including an engine-operating electrical circuit and said switch being connected in said circuit to defeat said circuit and said engine until said storage stand is in its raised position.
Claim 3
Dependent Claim 38 words
The safety system of claim 1 in which said engine-operating electrical circuit includes starting circuit having a battery, a starter and a starter switch, and said engine defeat switch is a normally open switch in said starting circuit.
Claim 4
Dependent Claim 27 words
The safety system of claim 1 in which said engine defeat switch is connected to ground in parallel with an ignition member of said engine-operating electrical circuit.
Claim 5
Dependent Claim 16 words
The safety system of claim 3 in which said parallel ignition member is a spark plug.
Claim 6
Dependent Claim 29 words
The safety system of claim 3 in which the engine-operating system includes a magneto and a spark plug and said engine defeat switch is connected to ground said magneto.

References Cited (Backward Citations)

US1976308A Cited
US1998990A Cited
US2300762A Cited
US2960351A Cited
US3608285A Cited
US3811704A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-09-29 1979-03-31 1979-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-09-29 1983-03-31 1983-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-09-29 1987-03-31 1987-09-30 $7700.00 Window Closed / Lapsed

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