US3390908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivoted blade lock device
Assignee: Schlage Lock Co LLC
•
Filing: 1965-03-04
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Granted: 1968-07-02
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Schlage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:47
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/0013; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1054; Y10T292/1075; Y10T292/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A PIVOTED BLADE LOCK DEVICE COMPRISING A STRIKE UNIT AND A LATCH UNIT HAVING TWO VERTICAL FACES ADAPTED TO MOVE SUBSTANTIALLY INTO AND OUT OF CONFRONTING RELATIONSHIP BY MOTION RELATIVE TO EACH OTHER IN A PREDETERMINED SUBSTANTIALLY HORIZONTAL DIRECTION PARALLEL TO SAID FACES, SAID STRIKE UNIT HAVING A PLATE DEFINING ONE OF SAID VERTICAL FACES AND HAVING A STRIKE OPENING THEREIN, MEANS ON SAID PLATE HORIZONTALLY ALIGNED WITH SAID STRIKE OPENING AND DEFINING A FIRST CAM EDGE THE ACTIVE PORTION OF WHICH HAS A SLOPE INCLINED TOWARD SAID STRIKE OPENING; AND SAID LATCH UNIT HAVING A PLATE DEFINING THE OTHER OF SAID VERTICAL FACES AND HAVING A LATCH OPENING THEREIN ADAPTED TO CONFRONT SAID STRIKE OPENING, A VERTICALLY DISPOSED BLADE, AND MEANS FOR MOUNTING SAID BLADE ON SAID LATCH UNIT FOR SWINGING MOVEMENT THROUGH SAID LATCH OPENING ABOUT A PIVOTAL AXIS ADJACENT ONE END OF SAID LATCH OPENING AND EXTENDING IN SAID PREDETERMINED HORIZONTAL DIRECTION WHEN SAID FACES ARE IN SAID CONFRONTING RELATIONSDHIP, SAID BLADE HAVING A SECOND CAM EDGE ADAPTED TO ABUT SAID FIRST CAM EDGE.
Claim 2
Dependent Claim
177 words
A PIVOTED BLADE LOCK DEVICE COMPRISING A STRIKE UNIT AND A LATCH UNIT HAVING TWO VERTICAL FACES ADAPTED TO MOVE SUBSTANTIALLY INTO AND OUT OF CONFRONTING RELATIONSHIP BY MOTION RELATIVE TO EACH OTHER IN A PREDETERMINED SUBSTANTIALLY HORIZONTAL DIRECTION PARALLEL TO SAID FACES, SAID STRIKE UNIT HAVING A PLATE DEFINING ONE OF SAID VERTICAL FACES AND HAVING A STRIKE OPENING THEREIN, MEANS ON SAID PLATE HORIZONTALLY ALIGNED WITH SAID STRIKE OPENING AND DEFINING A FIRST CAM EDGE THE ACTIVE PORTION OF WHICH HAS A SLOPE INCLINED TOWARD SAID STRIKE OPENING; AND SAID LATCH UNIT HAVING A PLATE DEFINING THE OTHER OF SAID VERTICAL FACES AND HAVING A LATCH OPENING THEREIN ADAPTED TO CONFRONT SAID STRIKE OPENING, A VERTICALLY DISPOSED BLADE, AND MEANS FOR MOUNTING SAID BLADE ON SAID LATCH UNIT FOR SWINGING MOVEMENT THROUGH SAID LATCH OPENING ABOUT A PIVOTAL AXIS ADJACENT ONE END OF SAID LATCH OPENING AND EXTENDING IN SAID PREDETERMINED HORIZONTAL DIRECTION WHEN SAID FACES ARE IN SAID CONFRONTING RELATIONSDHIP, SAID BLADE HAVING A SECOND CAM EDGE ADAPTED TO ABUT SAID FIRST CAM EDGE.
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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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |