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US3053137A
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Electro-optical apparatus for sensing in counting, regulating, and control systems
Assignee: Loepfe AG Gebrueder
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Filing: 1956-05-18
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Granted: 1962-09-11
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Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Erich Loepfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:12
CPC Classifications
H; H01; H01J; H01J40/00; H01J40/02; H01J40/14; B; B65; B65H; B65H63/00; B65H63/08; B65H63/086; B65H67/00; B65H67/06; B65H67/062; D; D03; D03D; D03D51/00; D03D51/18; D03D51/34; G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/017; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE600330C
Cited
US2026149A
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US2432793A
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US2522101A
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US2738197A
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US2878589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |