US3210976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical lock
Assignee: Individual
•
Filing: 1961-12-13
•
Granted: 1965-10-12
•
Expires: 1981-12-13
Abstract
No abstract record available.
Inventors
- 👤 Best Frank Ellison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:53
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; E05B1/00; E05B1/0007; E05B3/00; E05B3/06; E05B63/00; E05B63/0056; E05B63/006; Y; Y10; Y10T; Y10T292/00; Y10T292/88; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/542; Y10T70/5442; Y10T70/5447; Y10T70/5611; Y10T70/5757; Y10T70/5832; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541; Y10T70/8919
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN A CYLINDRICAL KNOB SET, THE COMBINATION OF ELEMENTS COMPRISING AN OUTSIDE KNOB ASSEMBLY MEANS, AND INSIDE FRAME MEANS, CLAMP MEANS ADAPTED TO THE CLAMPING OF SAID MEANS TOGETHER AND TO A DOOR, AN INSIDE KNOB ASSEMBLY MEANS, ADAPTED TO BE RELEASABLY SECURED TO SAID INSIDE FRAME MEANS, AND LOCK CONTROLLED MEANS INCLUDING A KEY OPERATED LOCK IN SAID OUSIDE KNOB ASSEMBLY MEANS ADAPTED TO THE LOCKING AND UNLOCKING OF SAID INSIDE KNOB ASSEMBLY MEANS TO AND FROM SAID INSIDE FRAME MEANS RESPECTIVELY, ALL OF SAID MEANS COLLECTIVELY CONSTITUTING LOCK CONTROLLED ASSEMBLY MEANS IN WHICH THE ASSEMBLY AND DISASSEMBLY OF SAID CYLINDRICAL KNOB SET ONTO AND FROM A DOOR RESPECTIVELY IS LOCK CONTROLLED.
References Cited (Backward Citations)
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Cited
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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) | 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 |