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Class Information
Number: 70/268
Name: Locks > Operating mechanism > Predetermined time interval controlled > Positively initiated delay interval
Description: Subject matter wherein the delay interval is positively initiated by some movement or control of the locking mechanism or in response to the completion of the operation of the locking mechanism.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5979198 |
Locking mechanism with emergency opening feature useful for a safe or vault |
Nov. 9, 1999 |
| 5890439 |
Safe deposit box assembly |
Apr. 6, 1999 |
| 5787819 |
Anti-effraction device, in particular for automatic dispensers of banknotes and valuables |
Aug. 4, 1998 |
| 5774066 |
Programmably operable system for the delayed locking/unlocking of a security installation |
Jun. 30, 1998 |
| 5638712 |
Door lock device with anti-theft mechanism |
Jun. 17, 1997 |
| 5016453 |
Timed refrigerator lock |
May. 21, 1991 |
| 4991415 |
Lock with electronic warning and electromagnetic control system |
Feb. 12, 1991 |
| 4977765 |
Delay action electronic timer lock with automatic cancellation cam |
Dec. 18, 1990 |
| 4843850 |
Time release lock |
Jul. 4, 1989 |
| 4679031 |
Device to facilitate the arming of an alarm system and to provide lock-out protection |
Jul. 7, 1987 |
| 4649833 |
Security system for safes |
Mar. 17, 1987 |
| 4148092 |
Electronic combination door lock with dead bolt sensing means |
Apr. 3, 1979 |
| 4106316 |
Keyless combination locks |
Aug. 15, 1978 |
| 4062210 |
Time locks |
Dec. 13, 1977 |
| 4060846 |
High security lock |
Nov. 29, 1977 |
| 4013930 |
Electronic door lock |
Mar. 22, 1977 |
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