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US3445640A
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US
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Apparatus for monitoring the position of an object displaceable along a predetermined path
Assignee: Davy Loewy Ltd
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Filing: 1965-01-29
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Granted: 1969-05-20
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 James Arthur Harrison
- 👤 Brian Quartermain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:24
CPC Classifications
G; G01; G01B; G01B21/00; G01B21/02; G01B21/06; B; B23; B23D; B23D33/00; B23D33/006; Y; Y10; Y10T; Y10T83/00; Y10T83/141; Y10T83/148; Y10T83/525; Y10T83/531; Y10T83/533
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |