Patent US3479582A successfully refreshed from Google Patents.
US3479582A
Expired / Lapsed
US
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Arrangement for touch-free measurement of displacements
Assignee: US Philips Corp
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Filing: 1967-11-03
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Granted: 1969-11-18
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Dietrich Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:26
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/003; G01B7/14; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/2208; G01D5/2216; G01D2205/00; G01D2205/70; G01D2205/77; G01D2205/775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3281809A
Cited
US2340609A
Cited
US2393717A
Cited
US2526338A
Cited
US2939072A
Cited
GB903171A
Cited
FR1274619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |