Patent EP0268924A1 successfully refreshed from Google Patents.
Patent US3169053A successfully refreshed from Google Patents.
Patent US3257610A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3257610A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable flashlight having circuit testing means and a rotating telescoping head portion with cut-out for exposing a test contact

Assignee: Individual
•
Filing: 1964-08-27
•
Granted: 1966-06-21
•
Expires: 1984-08-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Raymond O Fariss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 22:44
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/008; F21V33/0084

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 125 words
A FLASHLIGHT COMPRISING: A CASING INCORPORATING BATTERY MEANS; A HEAD STRUCTURE TELESCOPED OVER AND COUPLED TO THE UPPER END OF SAID CASING AND INCORPORATING A LIGHT BULB; AN EXPOSED FIRST CONDUCTING CONTACT SURFACE ON SAID CASING; A SECOND CONTACT SURFACE ON THE UPPER PORTION OF SAID CASING BENEATH THE PORTION OF SAID HEAD STRUCTURE TELESCOPED THEREOVER, SAID HEAD STRUCTURE INCLUDING A CUTOUT IN ITS TELESCOPING PORTION SUCH THAT ROTATION THEREOF EXPOSES SAID SECOND CONTACT THROUGH SAID CUT-OUT; AND CONNECTING MEANS FOR CONNECTING SAID FIRST AND SECOND CONTACTS WITH SAID BATTERY MEANS AND LIGHT BULBS SO THAT SHORTCIRCUITING OF SAID FIRST AND SECOND CONTACTS LIGHTS SAID LIGHT BULB WHEREBY FUSES AND THE LIKE MAY BE TESTED BY BRIDGING THE SAME ACROSS SAID FIRST AND SECOND CONTACTS.
Claim 2
Dependent Claim 125 words
A FLASHLIGHT COMPRISING: A CASING INCORPORATING BATTERY MEANS; A HEAD STRUCTURE TELESCOPED OVER AND COUPLED TO THE UPPER END OF SAID CASING AND INCORPORATING A LIGHT BULB; AN EXPOSED FIRST CONDUCTING CONTACT SURFACE ON SAID CASING; A SECOND CONTACT SURFACE ON THE UPPER PORTION OF SAID CASING BENEATH THE PORTION OF SAID HEAD STRUCTURE TELESCOPED THEREOVER, SAID HEAD STRUCTURE INCLUDING A CUTOUT IN ITS TELESCOPING PORTION SUCH THAT ROTATION THEREOF EXPOSES SAID SECOND CONTACT THROUGH SAID CUT-OUT; AND CONNECTING MEANS FOR CONNECTING SAID FIRST AND SECOND CONTACTS WITH SAID BATTERY MEANS AND LIGHT BULBS SO THAT SHORTCIRCUITING OF SAID FIRST AND SECOND CONTACTS LIGHTS SAID LIGHT BULB WHEREBY FUSES AND THE LIKE MAY BE TESTED BY BRIDGING THE SAME ACROSS SAID FIRST AND SECOND CONTACTS.

References Cited (Backward Citations)

US1980037A Cited
GB587036A Cited
US2469910A Cited
US2540471A Cited
FR995752A Cited
US2681433A Cited
US2839724A Cited
US2941186A Cited
US3004217A Cited
US3061776A Cited
US3176219A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-20 1969-12-20 1970-06-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-20 1973-12-20 1974-06-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-20 1977-12-20 1978-06-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag