US3387776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging device including feedback means applying a signal comparison means to control the level of a detected signal
Assignee: Rank Organization Ltd
•
Filing: 1964-08-07
•
Granted: 1968-06-11
•
Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Stillwell Peter Frederic Cryer
- 👤 Barr John Denzil
- 👤 Reeve Thomas Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:16
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/34; G01B7/02; G01B7/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3122956A
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US2656507A
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US2898550A
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US2948850A
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US3089332A
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US3077858A
Cited
US3187256A
Cited
US3263167A
Cited
FR1368378A
Cited
US3316486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |