US3234045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for protecting underground cable and determining leaks therein
Assignee: CHAS J WEBB SONS Co Inc
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Filing: 1961-05-05
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Granted: 1966-02-08
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Norman B Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:27
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/12; G01M3/14; G01M3/141; G01M3/20; G01M3/22; G01M3/221; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE METHOD FOR PROTECTING CABLE ENCASED WITHIN A CONDUIT WHICH COMPRISIES INTRODUCING THROUGH SAID CONDUIT A GASEOUS STREAM CONTAINING FINELY DIVIDED AEROSOL PARTICLES OF A DIELECTRIC FILM FORMING MATERIAL, COATING THE CABLE WITH SAID DIELECTRIC FILM FORMING MATERIAL, AND DISPLACING MOISTURE FROM SAID CABLE WITH SAID GASEOUS STREAM.
Claim 2
Independent Claim
48 words
THE METHOD FOR PROTECTING CABLE ENCASED WITHIN A CONDUIT WHICH COMPRISIES INTRODUCING THROUGH SAID CONDUIT A GASEOUS STREAM CONTAINING FINELY DIVIDED AEROSOL PARTICLES OF A DIELECTRIC FILM FORMING MATERIAL, COATING THE CABLE WITH SAID DIELECTRIC FILM FORMING MATERIAL, AND DISPLACING MOISTURE FROM SAID CABLE WITH SAID GASEOUS STREAM.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |