Patent US3119599A successfully refreshed from Google Patents.
US3119599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for inserting tubular linings or draw-strings into conduits
Assignee: General Electric Canada Co
•
Filing: 1960-11-07
•
Granted: 1964-01-28
•
Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 William I Tattle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:16
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/06; H02G1/08; H02G1/086; F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/165; F16L55/1652; F16L55/1654; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AS A STEP IN THE TRANSMISSION OF CABLES AND THE LIKE THROUGH CONDUIT LYING IN SITU, THE METHOD OF CONVEYING A DRAW-STRING THROUGH SAID CONDUIT WHICH CONSISTS OF PROJECTING A LENGTH OF FLEXIBLE TUBING SEALED AT THE LEADING END THEREOF AND SECURED IN THE VICINITY OF ONE END OF SAID CONDUIT, THROUGH SAID CONDUIT BY THE INTRODUCTION OF FLUID INTO SAID TUBING, SAID TUBING BEING PRE-PACKED, AND CAUSED BY THE PRESSURE OF SAID FLUID TO BECOME UNPACKED AND INFLATED AS IT PROCEEDS THROUGH SAID CONDUIT TO AN OPEN TERMINUS, AND THEN EMPLOYING SAID TUBING AS A DRAWSTRING BY ATTACHING ONE END TO THE MEMBER TO BE PULLED THROUGH SAID CONDUIT, AND THEREBY PULLING SAID MEMBER THROUGH SAID CONDUIT.
Claim 2
Dependent Claim
118 words
AS A STEP IN THE TRANSMISSION OF CABLES AND THE LIKE THROUGH CONDUIT LYING IN SITU, THE METHOD OF CONVEYING A DRAW-STRING THROUGH SAID CONDUIT WHICH CONSISTS OF PROJECTING A LENGTH OF FLEXIBLE TUBING SEALED AT THE LEADING END THEREOF AND SECURED IN THE VICINITY OF ONE END OF SAID CONDUIT, THROUGH SAID CONDUIT BY THE INTRODUCTION OF FLUID INTO SAID TUBING, SAID TUBING BEING PRE-PACKED, AND CAUSED BY THE PRESSURE OF SAID FLUID TO BECOME UNPACKED AND INFLATED AS IT PROCEEDS THROUGH SAID CONDUIT TO AN OPEN TERMINUS, AND THEN EMPLOYING SAID TUBING AS A DRAWSTRING BY ATTACHING ONE END TO THE MEMBER TO BE PULLED THROUGH SAID CONDUIT, AND THEREBY PULLING SAID MEMBER THROUGH SAID CONDUIT.
References Cited (Backward Citations)
US252956A
Cited
US714903A
Cited
US895412A
Cited
US1256520A
Cited
US2794758A
Cited
US2930584A
Cited
US3020192A
Cited
US3006607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |