US2640788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating control system
Assignee: CBS Broadcasting Inc
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Filing: 1951-10-04
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Granted: 1953-06-02
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Expires: 1971-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Rockett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:53
CPC Classifications
G; G01; G01B; G01B15/00; G01B15/02; G01B15/025; G05; G05D; G05D5/00; G05D5/02; G05D5/03; H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J9/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
COATING CONTROL APPARATUS COMPRISING, A FIRST REEL HOLDING UNCOATED WIRE, A COATING BATH CONTAINING COATING MATERIAL AND A MINUTE QUANTITY OF RADIACTIVE TRACER MATERIAL HAVING A SHORT HALF-LIFE, A RADIATION DETECTING DEVICE, A WIND-UP REEL TO DRAW SAID UNCOATED WIRE FROM SAID FIRST REEL AND CONSECUTIVELY THROUGH COATING BATH AND PAST SAID DETECTING DEVICE, A MOTOR FOR DRIVING SAID WIND-UP REEL, A STANDARD SOURCE OF RADIATION, AND MEANS RESPONSIVE TO THE DIFFERENCE BETWEEN RADIATION FROM SAID STANDARD SOURCE AND THAT DETECTED BY SAID RADIATION DETECTING DEVICE FOR VARYING THE SPEED OF SAID MOTOR.
References Cited (Backward Citations)
US2264725A
Cited
US2415644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |