Patent US3199527A successfully refreshed from Google Patents.
US3199527A
Expired / Lapsed
US
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System for marking and indicating the presence of an interface in a pipeline
Assignee: SPX Technologies Inc
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Filing: 1963-08-14
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Granted: 1965-08-10
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Nelson B Coley
- 👤 Stuart M Phelps
- 👤 Frank A Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:59
CPC Classifications
F; F17; F17D; F17D3/00; F17D3/03; F17D3/08; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A SYSTEM FOR MARKING THE PRESENCE OF AN INTERFACE IN A FLUID PIPELINE HAVING A MAIN VALVE IN A MAIN PORTION OF THE PIPELINE AND A BYPASS PORTION OF THE PIPELINE EXTENDING AROUND SAID MAIN VALVE PORTION COMPRISING: (A) LAUNCHING MEANS IN SAID BYPASS PORTION FOR LAUNCHING AN OBJECT SAID PIPELINE, (B) INTERFACE DETECTING MEANS AT A POINT IN SAID MAIN PORTION OF THE PIPELINE UPSTREAM RELATIVE TO CONNECTION OF THE BYPASS PORTION FOR REGISTERING WHEN AN INTERFACE ARRIVES AT THAT POINT, (C) SAID LAUNCHING MEANS BEING RENDERED EFFECTIVE IN RESPONSE TO THE REGISTRATION OF AN INTERFACE BY SAID INTERFACE DETECTING MEANS TO LAUNCH SAID OBJECT INTO THE PIPELINE, (D) OBJECT DETECTING MEANS DISPOSED IN SAID PIPELINE DOWNSTREAM FROM SAID LAUNCHING MEANS FOR REGISTERING THE PRESENCE OF SAID OBJECT, AND (E) MEANS RESPONSIVE TO SAID OBJECT DETECTING MEANS FOR OPENING SAID MAIN VALVE.
Claim 2
Independent Claim
143 words
A SYSTEM FOR MARKING THE PRESENCE OF AN INTERFACE IN A FLUID PIPELINE HAVING A MAIN VALVE IN A MAIN PORTION OF THE PIPELINE AND A BYPASS PORTION OF THE PIPELINE EXTENDING AROUND SAID MAIN VALVE PORTION COMPRISING: (A) LAUNCHING MEANS IN SAID BYPASS PORTION FOR LAUNCHING AN OBJECT SAID PIPELINE, (B) INTERFACE DETECTING MEANS AT A POINT IN SAID MAIN PORTION OF THE PIPELINE UPSTREAM RELATIVE TO CONNECTION OF THE BYPASS PORTION FOR REGISTERING WHEN AN INTERFACE ARRIVES AT THAT POINT, (C) SAID LAUNCHING MEANS BEING RENDERED EFFECTIVE IN RESPONSE TO THE REGISTRATION OF AN INTERFACE BY SAID INTERFACE DETECTING MEANS TO LAUNCH SAID OBJECT INTO THE PIPELINE, (D) OBJECT DETECTING MEANS DISPOSED IN SAID PIPELINE DOWNSTREAM FROM SAID LAUNCHING MEANS FOR REGISTERING THE PRESENCE OF SAID OBJECT, AND (E) MEANS RESPONSIVE TO SAID OBJECT DETECTING MEANS FOR OPENING SAID MAIN VALVE.
References Cited (Backward Citations)
US2965125A
Cited
US3135278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |