US4594886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose timing light
Assignee: Individual
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Filing: 1985-03-04
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Granted: 1986-06-17
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Expires: 2005-03-04
Abstract
Abstract A multipurpose timing light which comprises a timing light, a tachometer and a flashlight housed in a gun shaped plastic shell which in appearance is similar to the prevailing timing gun and in addition has a flashlight underneath the gun barrel and a tachometer in the rear part of the gun. This device provides illumination for the timing operation and repair work, and indicates engine speed as well as its primary function of adjusting ignition timing.
Inventors
- 👤 Duke Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:44
CPC Classifications
F; F02; F02P; F02P17/00; F02P17/02; F02P17/04; F02P17/06; G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/4802; G01P3/4807; F02B; F02B1/00; F02B1/02; F02B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A multipurpose ignition timing light comprising a main body-gun shaped structure having a bored barrel and an attached handle extending from said barrel; a timing light means including a xenon light in the bore of said barrel and a convex lens at an end of said barrel, aligned with said neon light; a tachometer means on said body structure having a display panel on the opposite end of said barrel from said convex lens to indicate engine speed; a lighting means mounted beneath said barrel emitting a beam of light aligned substantially parallel with a beam of flashing light emitted from said neon light through said convex lens at said end of said barrel; switching means including a trigger mounted on said attached handle; and connecting means on said handle to receive connections from an electric source and a source of induced current.
Claim 2
Dependent Claim
143 words
A multipurpose ignition timing light comprising a main body-gun shaped structure having a bored barrel and an attached handle extending from said barrel; a timing light means including a xenon light in the bore of said barrel and a convex lens at an end of said barrel, aligned with said neon light; a tachometer means on said body structure having a display panel on the opposite end of said barrel from said convex lens to indicate engine speed; a lighting means mounted beneath said barrel emitting a beam of light aligned substantially parallel with a beam of flashing light emitted from said neon light through said convex lens at said end of said barrel; switching means including a trigger mounted on said attached handle; and connecting means on said handle to receive connections from an electric source and a source of induced current.
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) | 1989-06-16 | 1989-12-16 | 1990-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-16 | 1993-12-16 | 1994-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-16 | 1997-12-16 | 1998-06-17 | $7700.00 | Window Closed / Lapsed |