Patent US3214596A successfully refreshed from Google Patents.
US3214596A
Expired / Lapsed
US
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Photoelectric sensor structure including light source and inclined lens
Assignee: Machinery Electrification Inc
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Filing: 1962-10-31
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Granted: 1965-10-26
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Rudolph F Schwerdt
- 👤 Richard J Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:40
CPC Classifications
G; G01; G01S; G01S17/00; G01S17/02; G01S17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2226677A
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US2472380A
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US2621300A
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US2665388A
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US2795996A
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US2920209A
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US3037888A
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US3145291A
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US3091693A
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US3099750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |