US3299229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglar proof safety lock with cams that block the bolt and electric alarm devices
Assignee: Individual
•
Filing: 1964-03-12
•
Granted: 1967-01-17
•
Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lombardi Claudio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:30
CPC Classifications
E; E05; E05B; E05B45/00; E05B45/06; E05B45/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A SAFETY LOCK, COMPRISING A CASE, A BOLT SLIDABLE IN SAID CASE, A MOVABLE MUSHROOM-SHAPED DIAL HAVING A STEM PORTION EXTENDING INTO SAID CASE AND AN OUTER INDICIA-CARRYING PORTION, A KEY PLATE ENCLOSED BY SAID OUTER PORTION, A KNIFE LEVER HAVING A BENT PORTION EXTENDING ADJACENT SAID BOLT AND ADAPTED TO ENGAGE SAID BOLT, A PLURALITY OF CAMS, THE NUMBER OF SAID CAMS CORRESPONDING TO THAT OF SAID INDICIA, ELECTRIC SWITCHES ACTUATED BY SAID CAMS, AND MEANS CONNECTED WITH SAID KEY PLATE FOR ACTUATING SAID KNIFE LEVER AND FOR ACTUATING SAID CAMS.
Claim 2
Dependent Claim
92 words
A SAFETY LOCK, COMPRISING A CASE, A BOLT SLIDABLE IN SAID CASE, A MOVABLE MUSHROOM-SHAPED DIAL HAVING A STEM PORTION EXTENDING INTO SAID CASE AND AN OUTER INDICIA-CARRYING PORTION, A KEY PLATE ENCLOSED BY SAID OUTER PORTION, A KNIFE LEVER HAVING A BENT PORTION EXTENDING ADJACENT SAID BOLT AND ADAPTED TO ENGAGE SAID BOLT, A PLURALITY OF CAMS, THE NUMBER OF SAID CAMS CORRESPONDING TO THAT OF SAID INDICIA, ELECTRIC SWITCHES ACTUATED BY SAID CAMS, AND MEANS CONNECTED WITH SAID KEY PLATE FOR ACTUATING SAID KNIFE LEVER AND FOR ACTUATING SAID CAMS.
References Cited (Backward Citations)
US1997289A
Cited
US2243804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |