US3315503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction cylinder unit
Assignee: Schlage Lock Co LLC
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Filing: 1964-07-31
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Granted: 1967-04-25
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Expires: 1984-07-31
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Schlage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:22
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49861; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7729; Y10T70/7734; Y10T70/778; Y10T70/7785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A CONSTRUCTION CYLINDER UNIT COMPRISING A CYLINDER BODY HAVING A CIRCULAR CYLINDRICAL PLUG BORE THEREIN AND HAVING AT LEAST ONE PIN BORE INTERSECTING SAID PLUG BORE, A CYLINDER PLUG ROTATABLE IN SAID PLUG BORE, SAID CYLINDER PLUG HAVING A KEY CHANNEL THEREIN AND HAVING AT LEAST ONE TUMBLER BORE INTERSECTING SAID KEY CHANNEL AND ADAPTED TO REGISTER WITH SAID PIN BORE IN ONE ROTATED POSITION OF SAID PLUG, A PIN SLIDABLE IN SAID PIN BORE, A SPRING IN SAID PIN BORE URGING SAID PIN TOWARD SAID PLUG, A TUMBLER SLIDABLE IN SAID TUMBLER BORE AND ENGAGEABLE BY SAID PIN AND BY A KEY IN SAID CHANNEL, SAID TUMBLER HAVING BENDABLE MEANS EXTENDING TOWARD SAID PIN AND MOVABLE AT LEAST PARTIALLY INTO SAID PIN BORE TO PERMIT SHORTENING OF SAID TUMBLER, WHEN SAID PLUG IS ROTATED, BY FIRST ENGAGING A SIDE OF SAID PIN BORE AND THEN BENDING LATERALLY INTO SAID TUMBLER BORE, SAID BENDABLE MEANS COMPRISING A LATERALLY BENDABLE END PORTION OF REDUCED LATERAL DIMENSIONS.
Claim 2
Dependent Claim
165 words
A CONSTRUCTION CYLINDER UNIT COMPRISING A CYLINDER BODY HAVING A CIRCULAR CYLINDRICAL PLUG BORE THEREIN AND HAVING AT LEAST ONE PIN BORE INTERSECTING SAID PLUG BORE, A CYLINDER PLUG ROTATABLE IN SAID PLUG BORE, SAID CYLINDER PLUG HAVING A KEY CHANNEL THEREIN AND HAVING AT LEAST ONE TUMBLER BORE INTERSECTING SAID KEY CHANNEL AND ADAPTED TO REGISTER WITH SAID PIN BORE IN ONE ROTATED POSITION OF SAID PLUG, A PIN SLIDABLE IN SAID PIN BORE, A SPRING IN SAID PIN BORE URGING SAID PIN TOWARD SAID PLUG, A TUMBLER SLIDABLE IN SAID TUMBLER BORE AND ENGAGEABLE BY SAID PIN AND BY A KEY IN SAID CHANNEL, SAID TUMBLER HAVING BENDABLE MEANS EXTENDING TOWARD SAID PIN AND MOVABLE AT LEAST PARTIALLY INTO SAID PIN BORE TO PERMIT SHORTENING OF SAID TUMBLER, WHEN SAID PLUG IS ROTATED, BY FIRST ENGAGING A SIDE OF SAID PIN BORE AND THEN BENDING LATERALLY INTO SAID TUMBLER BORE, SAID BENDABLE MEANS COMPRISING A LATERALLY BENDABLE END PORTION OF REDUCED LATERAL DIMENSIONS.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |