Patent US3089434A successfully refreshed from Google Patents.
US3089434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit tractor
Assignee: Individual
•
Filing: 1958-09-22
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Granted: 1963-05-14
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Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Andreasen Aage Carl Holger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:28
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/36; B65H75/362; B65H75/364; B65H75/38; B65H75/44; B65H75/4402; B65H75/4405; B65H75/4407; F; F16; F16L; F16L3/00; F16L3/01; F16L3/015; F16L55/00; F16L55/26; F16L55/28; F16L55/40; H; H02; H02G; H02G1/00; H02G1/06; H02G1/08; H02G1/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PIPELINE LOCOMOTIVE FOR OPERATION THROUGH A TUBULAR PIPE AND FOR LAYING AND TAKING UP A FLEXIBLE CABLE, SUCH AS A POWER SUPPLY CABLE TO THE LOCOMOTIVE, AND SAID CABLE EMANATING FROM A SOURCE OF CURRENT SUPPLY LOCATED AT ONE END OF THE PIPELINE, COMPRISING A FRAME, A PLURALITY OF SUPPORTING ROLLERS FOR SAID FRAME, RADIALLY DISPOSED MEANS FOR CONNECTING SAID ROLLERS TO SAID FRAME, AT LEAST ONE OF SAID ROLLERS BEING YIELDINGLY MOUNTED IN SAID FRAME IN SUCH A WAY THAT IT IS RESILIENTLY URGED OUTWARDLY AGAINST THE INNER WALL OF THE PIPELINE, AND DRIVING, GUIDING AND STORING MEANS MOUNTED IN THE LOCOMOTIVE FOR LAYING THE CABLE FROM AND TAKING UP THE CABLE INTO THE STORING MEANS WHILE THE LOCOMOTIVE IS IN MOTION.
Claim 2
Dependent Claim
124 words
A PIPELINE LOCOMOTIVE FOR OPERATION THROUGH A TUBULAR PIPE AND FOR LAYING AND TAKING UP A FLEXIBLE CABLE, SUCH AS A POWER SUPPLY CABLE TO THE LOCOMOTIVE, AND SAID CABLE EMANATING FROM A SOURCE OF CURRENT SUPPLY LOCATED AT ONE END OF THE PIPELINE, COMPRISING A FRAME, A PLURALITY OF SUPPORTING ROLLERS FOR SAID FRAME, RADIALLY DISPOSED MEANS FOR CONNECTING SAID ROLLERS TO SAID FRAME, AT LEAST ONE OF SAID ROLLERS BEING YIELDINGLY MOUNTED IN SAID FRAME IN SUCH A WAY THAT IT IS RESILIENTLY URGED OUTWARDLY AGAINST THE INNER WALL OF THE PIPELINE, AND DRIVING, GUIDING AND STORING MEANS MOUNTED IN THE LOCOMOTIVE FOR LAYING THE CABLE FROM AND TAKING UP THE CABLE INTO THE STORING MEANS WHILE THE LOCOMOTIVE IS IN MOTION.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |