Patent US2883271A successfully refreshed from Google Patents.
US3203293A
Expired / Lapsed
US
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Strip cutter with photoelectric control means
Assignee: Individual
•
Filing: 1962-02-28
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Granted: 1965-08-31
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Expires: 1982-02-28
Abstract
No abstract record available.
Inventors
- 👤 Richard G Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:01
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/006; B26; B26D; B26D5/00; B26D5/20; B26D5/30; B26D5/34; G; G03; G03D; G03D15/00; G03D15/04; G03D15/043; G03D15/046; Y; Y10; Y10T; Y10T83/00; Y10T83/525; Y10T83/533; Y10T83/541; Y10T83/543
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN A MACHINE FOR OPERATING ON A MOVING MATERIAL STRIP, A CONTROL SYSTEM COMPRISING: A PHOTOCELL; A LAMP ILLUMINATING SAID PHOTOCELL THROUGH THE STRIP; A NORMALLY BALANCED DETECTOR CIRCUIT INCLUDING MEANS, RESPONSIVE TO THE MEAN LEVEL OF ILLUMINATION RECEIVED BY SAID PHOTOCELL
Claim 2
Dependent Claim
42 words
IN A MACHINE FOR OPERATING ON A MOVING MATERIAL STRIP, A CONTROL SYSTEM COMPRISING: A PHOTOCELL; A LAMP ILLUMINATING SAID PHOTOCELL THROUGH THE STRIP; A NORMALLY BALANCED DETECTOR CIRCUIT INCLUDING MEANS, RESPONSIVE TO THE MEAN LEVEL OF ILLUMINATION RECEIVED BY SAID PHOTOCELL
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |