US3059870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sensing the quantity of an elongated medium
Assignee: EMI Ltd
•
Filing: 1959-09-11
•
Granted: 1962-10-23
•
Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Hall Philip Merrick
- 👤 Bamford John Joseph Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:38
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43; G11B15/56; H; H04; H04L; H04L13/00; H04L13/02; H04L13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708074A
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US2200863A
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US2146869A
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US2514847A
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US2516768A
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US2831678A
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DE1049109B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |