US3079888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline coating thickness control
Assignee: Harvest Queen Mill and Elevator Co
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Filing: 1960-10-31
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Granted: 1963-03-05
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Douglas K Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/10; G01B7/105; B; B05; B05C; B05C7/00; B05C7/06; B05C7/08; Y; Y10; Y10S; Y10S118/00; Y10S118/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A SYSTEM FOR APPLYING A PROTECTIVE COATING TO THE INTERIOR WALL OF AN ELONGATED PIPELINE IN SITU, THE COMBINATION WHICH COMPRISES A UNIT ADAPTED TO BE MOVED THROUGH SAID PIPELINE, HAVING AT LEAST ONE PERIPHERAL CONTACTING MEMBER OF VARIABLE DIAMETER ADAPTED TO SPREAD SAID COATING OVER SAID INTERIOR WALL, SENSING MEANS CARRIED BY SAID MEMBER FOR SENSING THE THICKNESS OF SAID COATING IN THE REGION OF THE PERIPHERAL CONTACT POINT, AND MEANS CARRIED BY SAID UNIT RESPONSIVE TO SAID SENSING MEANS FOR MAINTAINING SAID THICKNESS AT PREDETERMINED VALUE.
Claim 2
Dependent Claim
89 words
IN A SYSTEM FOR APPLYING A PROTECTIVE COATING TO THE INTERIOR WALL OF AN ELONGATED PIPELINE IN SITU, THE COMBINATION WHICH COMPRISES A UNIT ADAPTED TO BE MOVED THROUGH SAID PIPELINE, HAVING AT LEAST ONE PERIPHERAL CONTACTING MEMBER OF VARIABLE DIAMETER ADAPTED TO SPREAD SAID COATING OVER SAID INTERIOR WALL, SENSING MEANS CARRIED BY SAID MEMBER FOR SENSING THE THICKNESS OF SAID COATING IN THE REGION OF THE PERIPHERAL CONTACT POINT, AND MEANS CARRIED BY SAID UNIT RESPONSIVE TO SAID SENSING MEANS FOR MAINTAINING SAID THICKNESS AT PREDETERMINED VALUE.
References Cited (Backward Citations)
US2399544A
Cited
US2707934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |