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US3274390A Expired / Lapsed US ⏱️ 0.0 years remaining

Glass cutting control apparatus

Assignee: PPG Industries Inc
•
Filing: 1961-06-16
•
Granted: 1966-09-20
•
Expires: 1981-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Forrest K Umbel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:24
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/10; C03B33/02; C03B33/023; C03B33/0235; C03B33/027; C03B33/037; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0363; Y10T83/525; Y10T83/531

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 135 words
IN APPARATUS FOR READING INFORMATION FROM A CONTINUOUSLY MOVING RECORD WHERE BITS OF DATA ARE STORED AT A SERIES OF POINTS COMPRISING A SET ON SAID RECORD, THE COMBINATION COMPRISING, DETECTION MEANS FOR PRODUCING A SIGNAL DENOTING EITHER THE PRESENCE OR ABSENCE OF BITS OF DATA AT EACH DATA POINT PASSING SAID DETECTION MEANS, PULSE GENERATING MEANS OPERATED IN ACCORD WITH SAID RECORD MOVEMENT FOR GENERATING A SYNCHRONIZING PULSE AS EACH DATA POINT PASSES SAID DETECTION MEANS, A SET OF OUTPUT CHANNELS CORRESPONDING, RESPECTIVELY, TO SAID RECORD DATA POINTS, MEANS OPERATED BY SAID SYNCHRONIZING PULSES FOR FEEDING SUCCESSIVE SIGNALS FROM SAID DETECTION MEANS TO THE RESPECTIVE CHANNELS CORRESPONDING TO THE DATA POINTS, AND MEANS FOR ADJUSTING THE RATE OF EMISSION OF PULSES FROM SAID PULSE GENERAING MEANS TO SYNCHRONIZE THE LATTER WITH SAID RECORD MOVEMENT.

References Cited (Backward Citations)

US2632855A Cited
US2674308A Cited
US2803751A Cited
US2793471A Cited
US2840371A Cited
US2939963A Cited
US2948991A Cited
US3044216A Cited
US3067646A Cited
US3107834A Cited
FR1236148A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-19 1970-03-21 1970-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-19 1974-03-21 1974-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-19 1978-03-21 1978-09-20 $7700.00 Window Closed / Lapsed

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