US3352587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Individual
•
Filing: 1966-08-22
•
Granted: 1967-11-14
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/18; E05C19/182; Y; Y10; Y10T; Y10T292/00; Y10T292/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A DOOR LOCK FOR USE IN COMBINATION WITH A DOOR HINGED TO A FRAME TO SWING BETWEEN A CLOSED POSITION IN THE FRAME AND AN OPEN POSITION OUT OF THE FRAME AND IN WHICH THE FRAME IS FORMED WITH A RECESS FACING THE FREE EDGE OF THE DOOR WHEN IT IS CLOSED, COMPRISING AN ELONGGATED STRIP OF SHEET MATERIAL TO FIT BETWEEN THE FREE EDGE OF THE DOOR AND THE FRAME WHEN THE DOOR IS CLOSED, AN OUTWARDLY EXTENDING PROJECTION ON ONE END OF THE STRIP FITTING INTO THE RECESS IN THE DOOR FRAME, THE STRIP BEING OF A LENGTH TO PROJECT BEYOND THE FACES OF THE FRAME AND DOOR, AN ELONGATED PIN, MEANS TO CONNECT THE PIN TO THE PROJECTING PORTION OF THE STRIP AT DIFFERENT POSITIONS IN THE LENGTH THEREOF WITH ONE END OF THE PIN EXTENDING OVER THE FREE EDGE OF THE DOOR, AND A BLOCK FORMED WITH AN ECCENTRIC OPENING THEREIN TO FIT OVER THE PIN, THE BLOCK BEING TURNABLE TO DIFFERENT POSITIONS ON THE PIN TO ENGAGE THE FACE OF THE DOOR ADJACENT TO ITS FREE EDGE TO HOLD THE DOOR AGAINST OPENING
Claim 2
Dependent Claim
188 words
A DOOR LOCK FOR USE IN COMBINATION WITH A DOOR HINGED TO A FRAME TO SWING BETWEEN A CLOSED POSITION IN THE FRAME AND AN OPEN POSITION OUT OF THE FRAME AND IN WHICH THE FRAME IS FORMED WITH A RECESS FACING THE FREE EDGE OF THE DOOR WHEN IT IS CLOSED, COMPRISING AN ELONGGATED STRIP OF SHEET MATERIAL TO FIT BETWEEN THE FREE EDGE OF THE DOOR AND THE FRAME WHEN THE DOOR IS CLOSED, AN OUTWARDLY EXTENDING PROJECTION ON ONE END OF THE STRIP FITTING INTO THE RECESS IN THE DOOR FRAME, THE STRIP BEING OF A LENGTH TO PROJECT BEYOND THE FACES OF THE FRAME AND DOOR, AN ELONGATED PIN, MEANS TO CONNECT THE PIN TO THE PROJECTING PORTION OF THE STRIP AT DIFFERENT POSITIONS IN THE LENGTH THEREOF WITH ONE END OF THE PIN EXTENDING OVER THE FREE EDGE OF THE DOOR, AND A BLOCK FORMED WITH AN ECCENTRIC OPENING THEREIN TO FIT OVER THE PIN, THE BLOCK BEING TURNABLE TO DIFFERENT POSITIONS ON THE PIN TO ENGAGE THE FACE OF THE DOOR ADJACENT TO ITS FREE EDGE TO HOLD THE DOOR AGAINST OPENING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |