Lock assembly
Abstract
Abstract A LOCK ASSEMBLY SECURE AGAINST UNAUTHORIZED MANIPULATION AND AGAINST THE INTRUSION OF FOREIGN MATTER AND MOISTURE, THE ASSEMBLY INCLUDING A GENERALLY CYLINDRICAL NON-MAGNETICALLY SENSITIVE CORE HAVING A KEY SLOT THEREIN AND SLIDABLY CARRYING A PAIR OF NON-MAGNETICALLY SENSITIVE LOCKING BARS AND A PLURALITY OF MAGNETIC TUMBLERS OPERABLE TO IMPEDE BODILY SHIFTABLE MOVEMENT OF THE LOCKING BARS. THE CORE IS ENCLOSED IN A MAGNETICALLY PERVIOUS JACKET FABRICATED FROM A MOISTURE RESISTANT MATERIAL SUCH AS TEFLON WHICH JACKET LINES THE KEY SLOT. A MAGNETICALLY CODED KEY IS OPERABLE TO BODILY SHIFT THE TUMBLERS TO RELEASE THE LOCKING BARS AND IS SUBSEQUENTLY OPERABLE TO BODILY SHIFT THE LOCKING BARS INTO COUPLING ENGAGEMENT WITH AN OPERATING MEMBER SO THAT THE CORE AND THE OPERATING MEMBER AR UNITARILY ROTATABLE.
Inventors
- 👤 George Drach Jr
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |