US3487402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital capacitance motion transducer
Assignee: General Electric Co
•
Filing: 1966-09-08
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Granted: 1969-12-30
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Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 David L Hillhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/244; G01D5/245; G01D5/2451; G01D5/14; G01D5/24; G01D5/2403; G01L; G01L3/00; G01L3/02; G01L3/04; G01L3/10; G01L3/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3253207A
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US2485617A
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US2886717A
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US2766623A
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US2978638A
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US3218635A
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US3223842A
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US3147374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |