Patent US3112422A successfully refreshed from Google Patents.
US3112422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photo-electric cell for the automatic exploring of curves
Assignee: Individual
•
Filing: 1959-09-29
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Granted: 1963-11-26
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Gebhard K Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:57
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/38; B23Q35/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PHOTOELECTRIC CELL HAVING A CENTER AXIS AND COMPRISING AT LEAST ONE PHOTO-CATHODE AND A MICRO-OPTIC BUILTIN CENTRALLY ON THE CENTER AXIS AT ITS FRONT SIDE FOR MAGNIFYING AN ORIGINAL TO BE EXPLORED AND FURTHER COMPRISING BETWEEN THE MICRO-OPTIC AND THE PHOTO-CATHODE AND SEPARATED FROM BOTH OF THEM A BUILT-IN SCREEN PROVIDED WITH TWO APERTURES DISPLACED FROM THE CENTER AXIS RELEASING A PHOTO EFFECT BY INCIDENT LIGHT.
Claim 2
Dependent Claim
67 words
A PHOTOELECTRIC CELL HAVING A CENTER AXIS AND COMPRISING AT LEAST ONE PHOTO-CATHODE AND A MICRO-OPTIC BUILTIN CENTRALLY ON THE CENTER AXIS AT ITS FRONT SIDE FOR MAGNIFYING AN ORIGINAL TO BE EXPLORED AND FURTHER COMPRISING BETWEEN THE MICRO-OPTIC AND THE PHOTO-CATHODE AND SEPARATED FROM BOTH OF THEM A BUILT-IN SCREEN PROVIDED WITH TWO APERTURES DISPLACED FROM THE CENTER AXIS RELEASING A PHOTO EFFECT BY INCIDENT LIGHT.
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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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |