US3274390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass cutting control apparatus
Assignee: PPG Industries Inc
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Filing: 1961-06-16
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Granted: 1966-09-20
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Expires: 1981-06-16
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.
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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) | 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 |