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US 6,000,258 AGranted
Braille and Arabic memory key and lock
OwnerJoseph John Leskoinventor
Life of this patent
Estimating the term…
Abstract
A key 10 and lock 20 are disclosed for use and can be identified by knocking-out area 17 or breaking of tab 14 for identification of what numbered, lettered or Braille key goes with what lock.
Claims8
A memory key and lock system for facilitating association of a key with a corresponding lock, by visually abled and visually impaired users, the system comprising:
- a key having a plurality of selectively detachable tabs formed along the periphery thereof such that remaining tabs form a plurality of alternate configurations, the tabs having tactile inscriptions formed thereon;
- the key further having a key visual indicator conformed thereon;
- and
- a lock corresponding to the key, the lock having a lock visual indicator formed thereon.
1 more element
Dependencies are inferred from the claim text.