Timeline: Corbin | Timetoast

Jan 1, 1888

Corbin's first keyway. 98 Keyway

Corbin's first keyway. Ilco 1002C, 1002B and 1002A.
Period: Jan 1, 1888 to Jan 14, 2016

Life of Corbin
Jan 1, 1895

Corbin 99 Keyway

X-Class. CO1, 99-4/01000, 99-5/1000, 99-6/1000AB, 99-7/1000A
Jan 15, 1905

Corbin 97Keyway

X-Class. CO5, 97-5/1001, 97-6/1001AB, 97-7/1001A
Jan 15, 1914

Corbin AR, BL and BR Keyways

X-Class. Card (c)X5. AR, BL and BR are the only lettered Corbin keyways.
Jan 15, 1924

Corbin 27 Series keyways

X-Class. CO3, 1001EB/27-5. 1001EA/27-6. 1001E/27-7. Replaced 97 as Corbin's stock keyway. 27A1, 27A2, 27B1, 27B2 added later. 27 also enters Corbin 28 and 29 keyways. 27A1 was added in 1930, the rest added in 1963.
Jan 15, 1926

Corbin 28 Keyway
Jan 17, 1926

Corbin 29 Keyway
Jan 15, 1930

Corbin 57A and 57B Series keyways

X-Class. 57A and 57B came out in 1930, C arrived in 1963 and D in 1968
Jan 15, 1930

Corbin 27A1 Keyway

X-Class. 1001AB. Discontinued
Jan 15, 1936

Corbin 67 Series Keyways

Replaced Corbin 27 as stock keyway,
Jan 15, 1938

Corbin 68 Keyway
Jan 18, 1938

CCorbin 69
Jan 15, 1942

Corbin 67A1
Jan 15, 1951

Corbin 77 Series Keyways

Replaced Corbin 67 as stock keyway
Jan 15, 1954

Corbin 68 and 69
Jan 15, 1959

Corbin 59 Series Keyways

Z-Class. Multiplex key system incorporates 60(1001EH/CO87. Very common key that replaced 77 as Stock key). Consult with Sec2 page 17 of ILCO key catalog for full 59 series.
Jan 15, 1963

Corbin 27A2, 27B1, 27B2, 27A, 27B, 027, 27AB
May 15, 1963

Corbin 67A2, 67B1, 67B2, 67A, 67B, 067 and 67AB
Oct 15, 1963

Corbin 77A2, 77B1, 77B2, 77A, 77B, 077, and 77AB