Patent US3158369A successfully refreshed from Google Patents.
US3158369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double sheet detector for printing presses
Assignee: Individual
•
Filing: 1962-12-10
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Granted: 1964-11-24
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Blenner Aaron
- 👤 Callahan Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:57
CPC Classifications
B; B65; B65H; B65H7/00; B65H7/02; B65H7/06; B65H7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PLURAL PAPER SHEET DETECTOR FOR PRINTING PRESSES HAVING A SHAFT OSCILLATING IN TIMED RELATION TO THE FEED OF INDIVIDUAL SHEETS OF PAPER AND A FEED BOARD COMPRISING: AN OSCILLATING ROCKER SHAFT MOUNTED TRANSVERSE THE PRINTING PRESS FEED BOARD IN SPACED RELATION THERETO; CONNECTIVE MEANS SECURED TO BOTH SAID PRINTING PRESS OSCILLATING SHAFT AND SAID ROCKER SHAFT FOR TRANSMITTING THE TIMED OSCILLATION OF SAID PRINTING PRESS SHAFT TO SAID ROCKER SHAFT; A SUPPORT BLOCK ADJUSTABLY SECURED TO SAID ROCKER SHAFT SAID SUPPORT BLOCK BEING ARRANGED TO OSCILLATE TOGETHER WITH SAID ROCKER SHAFT; A SPRING LOADED SWITCH HAVING AN EXTERNAL CONTACT BUTTON;
Claim 2
Dependent Claim
101 words
A PLURAL PAPER SHEET DETECTOR FOR PRINTING PRESSES HAVING A SHAFT OSCILLATING IN TIMED RELATION TO THE FEED OF INDIVIDUAL SHEETS OF PAPER AND A FEED BOARD COMPRISING: AN OSCILLATING ROCKER SHAFT MOUNTED TRANSVERSE THE PRINTING PRESS FEED BOARD IN SPACED RELATION THERETO; CONNECTIVE MEANS SECURED TO BOTH SAID PRINTING PRESS OSCILLATING SHAFT AND SAID ROCKER SHAFT FOR TRANSMITTING THE TIMED OSCILLATION OF SAID PRINTING PRESS SHAFT TO SAID ROCKER SHAFT; A SUPPORT BLOCK ADJUSTABLY SECURED TO SAID ROCKER SHAFT SAID SUPPORT BLOCK BEING ARRANGED TO OSCILLATE TOGETHER WITH SAID ROCKER SHAFT; A SPRING LOADED SWITCH HAVING AN EXTERNAL CONTACT BUTTON;
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |