Lightbulb lock

Details Lightbulb lock Lightbulb lock

1980-09-08

1983-03-15

McGlynn, Joseph H.

Geometrical instruments

H01R 1320

Patent

active

043765645

ABSTRACT:
A device for locking lightbulbs in their sockets comprises an insert member size to project through a hole in the wall of the socket and engage the base of the lightbulb and a collar adapted to encircle the socket and press the insert into tight engagement with the base of the lightbulb.

REFERENCES:
patent: 702248 (1903-02-01), Dabb et al.
patent: 933295 (1909-09-01), Davis
patent: 934760 (1909-09-01), Roy et al.
patent: 1148538 (1915-08-01), Sachs
patent: 1187330 (1916-06-01), Jordan
patent: 1259482 (1918-03-01), Brown
patent: 1495586 (1924-05-01), George
patent: 2494755 (1950-01-01), Grover
patent: 3052867 (1962-09-01), Rogoff

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