Lock cylinder and key set

Details Lock cylinder and key set Lock cylinder and key set

2007-02-13

2007-02-13

Gall, Lloyd A. (Department: 3676)

Locks

Operating mechanism

Key

C070S401000, C070S403000, C070S409000, C070S419000, C070S493000

Reexamination Certificate

active

11250458

ABSTRACT:
Disclosed is a lock cylinder and key set, which includes a lock cylinder, which has a keyway with two keyholes separated by a partition, and a key, which has two blades insertable into the two keyholes of the keyway for acting against respective pins in the lock cylinder to unlock the lock cylinder.

REFERENCES:
patent: 91610 (1869-06-01), Crosby
patent: 570032 (1896-10-01), Luebbers
patent: 900627 (1908-10-01), Waugh et al.
patent: 1061177 (1913-05-01), Hashim
patent: 1286456 (1918-12-01), Vogelsang
patent: 1500883 (1924-07-01), Muller
patent: 1905177 (1933-04-01), Kirkwood
patent: 2620649 (1952-12-01), Domingo Bernardo
patent: 4296618 (1981-10-01), Guiraud
patent: 4341102 (1982-07-01), Ku et al.
patent: 4429555 (1984-02-01), Salsbury
patent: 4498327 (1985-02-01), Preddey et al.
patent: 4603565 (1986-08-01), Strassmeir
patent: 4787225 (1988-11-01), Hauser et al.

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