Patent US1277801A successfully refreshed from Google Patents.
US3125878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gutman
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:00
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/005; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7446; Y10T70/7463; Y10T70/7469; Y10T70/7729; Y10T70/7734
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
A PIN TUMBLER LOCK COMPRISING A CASING HAVING A MAIN BORE, A PLUG HAVING A LONGITUDINALLY EXTENDING KEYWAY SLOT ROTATABLY MOUNTED IN SAID BORE, FIRST AND SECOND PARALLEL CROSS-BORES EXTENDING RADIALLY FROM SAID KEYWAY AND INTO SAID CASING, A DRIVER AND A FOLLOWER PIN RECIPROCABLY MOUNTED IN EACH SAID CROSS-BORE, AN AUXILIARY PIN INTERPOSED BETWEEN THE DRIVER AND FOLLOWER OF SAID SECOND CROSS-BORE, A KEY MEMBER INSERTABLE INTO SAID KEYWAY AND HAVING A BITTED EDGE PORTION, CAM MEANS ON SAID BITTED PORTION, LYING, IN THE INSERTED POSITION OF SAID KEY, ADJACENT SAID SECOND CROSS-BORE, A PASSAGE FORMED IN SAID CASING AND OPENING ONTO SAID MAIN BORE, SAID PASSAGE BEING POSITIONED TO REGISTER WITH SAID SECOND CROSS-BORE OF SAID PLUG UPON PARTIAL ROTATION OF SAID PLUG, SAID FIRST BORE OF SAID PLUG IN SAID PARTIALLY ROTATED POSITION BEING IN REGISTRY WITH A PORTION OF SAID CASING DEFINING SAID MAIN BORE, SAID KEY MEMBER BEING SHIFTABLE LONGITUDINALLY IN SAID KEYWAY OVER A LIMITED RANGE OF MOVEMENT WHEN SAID PASSAGE IS IN REGISTRY WITH SAID SECOND CROSS-BORE PORTION OF SAID PLUG, SAID CAM MEANS AND THE FOLLOWER PIN IN SAID SECOND CROSS BORE COOPERATING, UPON LONGITUDINAL MOVEMENT OF SAID KEY IN SAID REGISTERED POSITION OF SAID PASSAGE AND CROSS BORE, TO SHIFT SAID AUXILIARY PIN RADIALLY INTO SAID PASSAGE.
Claim 2
Dependent Claim
216 words
A PIN TUMBLER LOCK COMPRISING A CASING HAVING A MAIN BORE, A PLUG HAVING A LONGITUDINALLY EXTENDING KEYWAY SLOT ROTATABLY MOUNTED IN SAID BORE, FIRST AND SECOND PARALLEL CROSS-BORES EXTENDING RADIALLY FROM SAID KEYWAY AND INTO SAID CASING, A DRIVER AND A FOLLOWER PIN RECIPROCABLY MOUNTED IN EACH SAID CROSS-BORE, AN AUXILIARY PIN INTERPOSED BETWEEN THE DRIVER AND FOLLOWER OF SAID SECOND CROSS-BORE, A KEY MEMBER INSERTABLE INTO SAID KEYWAY AND HAVING A BITTED EDGE PORTION, CAM MEANS ON SAID BITTED PORTION, LYING, IN THE INSERTED POSITION OF SAID KEY, ADJACENT SAID SECOND CROSS-BORE, A PASSAGE FORMED IN SAID CASING AND OPENING ONTO SAID MAIN BORE, SAID PASSAGE BEING POSITIONED TO REGISTER WITH SAID SECOND CROSS-BORE OF SAID PLUG UPON PARTIAL ROTATION OF SAID PLUG, SAID FIRST BORE OF SAID PLUG IN SAID PARTIALLY ROTATED POSITION BEING IN REGISTRY WITH A PORTION OF SAID CASING DEFINING SAID MAIN BORE, SAID KEY MEMBER BEING SHIFTABLE LONGITUDINALLY IN SAID KEYWAY OVER A LIMITED RANGE OF MOVEMENT WHEN SAID PASSAGE IS IN REGISTRY WITH SAID SECOND CROSS-BORE PORTION OF SAID PLUG, SAID CAM MEANS AND THE FOLLOWER PIN IN SAID SECOND CROSS BORE COOPERATING, UPON LONGITUDINAL MOVEMENT OF SAID KEY IN SAID REGISTERED POSITION OF SAID PASSAGE AND CROSS BORE, TO SHIFT SAID AUXILIARY PIN RADIALLY INTO SAID PASSAGE.
References Cited (Backward Citations)
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |