US3211486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mortise lock
Assignee: Yale and Towne Inc
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Filing: 1962-11-30
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Granted: 1965-10-12
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Roy L Crandell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:56
CPC Classifications
E; E05; E05B; E05B55/00; E05B63/00; E05B63/0056; E05B63/006; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/098; Y10T292/0982; Y10T292/0983; Y10T292/0984; Y10T292/0986; Y10T292/59; Y10T292/85; Y10T292/88; Y10T292/93; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
161 words
IN A MORTISE LOCK, AN INSIDE RETRACTOR HUB AND AN OUTSIDE RETRACTOR HUB, A KNOB ASSEMBLY COMPRISING A SLEEVE BEARING, A SLEEVE ROTATING IN SAID BEARING, A SPINDLE SLIDABLE IN AN AXIAL DIRECTION IN SAID SLEEVE AND ENGGING SAID SLEEVE WBEREY TO ROTATE SAID SLEEVE, SAID SPINDLE EXTENDING INTO AN OPENING IN THE INSIDE RETRACTOR HUB, MEANS LIMITING THE PROJECTION OF SAID SPINDLE INTO SAID OPENING IN SAID HUB, A SPRING EXTENDING BETWEEN SAID LIMITING MEANS AND SAID SLEEVE FOR PRESSING SAID SPINDLE AXIALLY OF SAID SLEEVE INTO SAID OPENING IN THE INSIDE RETRACTOR HUB, A KNOB INCLUDING A SLEEVE PORTION SUPPORTED ON THE OUTER SURFACE OF SAID ROTATING SLEEVE, AND KNOB RETAINER MEANS MOUNTED IN POSITION WITHIN SAID ROTATING SLEEVE AND ALLOWING CLEARNACE FOR THE AXIAL SLIDING OF THE SPINDLE IN SAID SLEEVE, SAID KNOB RETAINER MEANS HAVING A PORTION ENGAGING IN OPENINGS IN THE ROTATING SLEEVE AND SLEEVE PORTION OF THE KNOB TO LOCK SAID KNOB TO SAID SLEEVE.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |