US3322962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously measuring applied coatings employing photoelectric means
Assignee: Kalle GmbH and Co KG
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Filing: 1964-09-28
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Granted: 1967-05-30
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Muller Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:58
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/02; G01B11/06; G01B11/0616; G01B11/0625; G01B11/0633; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/314; G01N21/35; G01N21/3563
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
AN APPARATUS FOR USE IN CONTINUOUS MEASUREMENT OF THE QUANTITY OF MATERIAL DEPOSITED ON A CARRIER WEB WHICH COMPRISES MEANS FOR IMPINGING ELECTROMAGNETIC RADIATION HAVING AT LEAST TWO SPECTRAL REGIONS ON THE COATED WEB, MEANS FOR DIVIDING THE IMPINGED RAYS, PHOTOELECTRIC RECEIVER MEANS RESPONSIVE SUBSTANTIALLY ONLY TO RADIATION OF THE TYPE ABSORBED BY THE MATERIAL FOR RECEIVING ONE FRACTION OF THE RAYS, PHOTOELECTRIC RECEIVER MEANS RESPONSIVE SUBSTANTIALLY ONLY TO RESIDUAL RADIATION FOR RECEIVING A SECOND FRACTION OF THE RAYS, MEANS FOR MEASURING THE DIFFERENCE IN GENERATED PHOTOCURRENTS, AND MEANS FOR INDICATING THE DIFFERENCE IN GENERATED PHOTOCURRENTS.
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |