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US4234909A Expired / Lapsed US ⏱️ 0.0 years remaining

Illuminated door lock

Assignee: Individual
•
Filing: 1978-06-15
•
Granted: 1980-11-18
•
Expires: 1998-06-15
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Abstract

Abstract An illuminated door lock is described which comprises in combination a door, a lock fitting in a hole through said door, a plate of translucent material resting on the exterior of the door, said plate having a hole in the middle which is coaxial with the hole in the door through which the lock fits, means for securing said plate around the lock, at least one recess in the plate for accommodating at least one light bulb, said plate having a thickness of at least 1/4 inch and being at least 1/2 inch wide, said bulb having a length between 1/4 inch and 3/8 inch; means for establishing contact between said bulb and a source of electric energy.

Inventors

  • 👤 Peter R. Cotroneo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 12:25
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/10

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 245 words
An illuminated door lock which comprises in combination with a door, a lock which fits into an aperature in said door, a metal plate holding a translucent material, both the plate and translucent material having a central circular aperture the diameter of the aperture plate being smaller than the diameter of aperture of the translucent material, a lock cylinder having a cylindrical body portion and a face portion, said face portion having a larger diameter than the body portion, said aperture in the metal plate will let only said cylindrical body portion through, said face portion being positioned inside said aperature of the translucent material and in contact with said plate, said face portion in contact with said plate holding the metal plate in contact with the door by a "U" shaped tenstion clip placed inside the door, the translucent material being held in place by the metal plate having a metal rim which forms a complete frame around the translucent material, at least one recess in the translucent material for accommodating at least one light bulb, both the door and the metal plate have at least one notch which extends outwardly from the aperature in the door and metal plate for accomodate electrical wires connecting a power source to the at least one light bulb and at least one additional notch in the door and the metal plate which accomodates a raised rib on said cylindrical body portion to prevent turning in the aperature.
Claim 2
Dependent Claim 245 words
An illuminated door lock which comprises in combination with a door, a lock which fits into an aperature in said door, a metal plate holding a translucent material, both the plate and translucent material having a central circular aperture the diameter of the aperture plate being smaller than the diameter of aperture of the translucent material, a lock cylinder having a cylindrical body portion and a face portion, said face portion having a larger diameter than the body portion, said aperture in the metal plate will let only said cylindrical body portion through, said face portion being positioned inside said aperature of the translucent material and in contact with said plate, said face portion in contact with said plate holding the metal plate in contact with the door by a "U" shaped tenstion clip placed inside the door, the translucent material being held in place by the metal plate having a metal rim which forms a complete frame around the translucent material, at least one recess in the translucent material for accommodating at least one light bulb, both the door and the metal plate have at least one notch which extends outwardly from the aperature in the door and metal plate for accomodate electrical wires connecting a power source to the at least one light bulb and at least one additional notch in the door and the metal plate which accomodates a raised rib on said cylindrical body portion to prevent turning in the aperature.
Claim 3
Dependent Claim 13 words
The illuminated door lock according to claim 1 wherein two bulbs are used.

References Cited (Backward Citations)

US2309840A Cited
US2575820A Cited
US2449150A Cited
US2709745A Cited
US3268659A Cited
US4038582A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-11-18 1984-05-19 1984-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-11-18 1988-05-19 1988-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-11-18 1992-05-19 1992-11-18 $7700.00 Window Closed / Lapsed

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