US3109410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passage indicator for pipeline scrapers and the like
Assignee: TD Williamson Inc
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Filing: 1959-12-24
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Granted: 1963-11-05
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Nooy Burton Ver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:41
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/48; F16L2101/00; F16L2101/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
INDICATING APPARATUS FOR SIGNALING PASSAGE OF A BODY THROUGH A PIPELINE PAST A PREDETERMINED POINT IN THE LINE, COMPRISING A HOUSING HAVING ONE END SECURABLE TO THE SIDE OF THE PIPELINE IN SURROUNDING RELATION TO AN OPENING THEREIN; AND A PLUG ASSEMBLY INCLUDING A PLUG BODY INSERTABLE INTO AND REMOVABLE FROM THE OTHER END OF THE HOUSING, MEANS ON THE PLUG BODY FOR RELEASABLY SECURING IT WITHIN THE HOUSING AND SEALING BETWEEN THE BODY AND HOUSING WHEN THE BODY IS SO SECURED, A TRIGGER MOUNTED ON ONE END OF THE BODY FOR SWINGING FROM A FIRST POSITION IN WHICH IT PASSES THE HOUSING AND PIPELINE OPENING SO AS TO EXTEND INTO THE PATH OF SAID BODY MOVING THROUGH THE PIPELINE, UPON INSERTION OF THE PLUG BODY INTO SECURED
Claim 2
Dependent Claim
128 words
INDICATING APPARATUS FOR SIGNALING PASSAGE OF A BODY THROUGH A PIPELINE PAST A PREDETERMINED POINT IN THE LINE, COMPRISING A HOUSING HAVING ONE END SECURABLE TO THE SIDE OF THE PIPELINE IN SURROUNDING RELATION TO AN OPENING THEREIN; AND A PLUG ASSEMBLY INCLUDING A PLUG BODY INSERTABLE INTO AND REMOVABLE FROM THE OTHER END OF THE HOUSING, MEANS ON THE PLUG BODY FOR RELEASABLY SECURING IT WITHIN THE HOUSING AND SEALING BETWEEN THE BODY AND HOUSING WHEN THE BODY IS SO SECURED, A TRIGGER MOUNTED ON ONE END OF THE BODY FOR SWINGING FROM A FIRST POSITION IN WHICH IT PASSES THE HOUSING AND PIPELINE OPENING SO AS TO EXTEND INTO THE PATH OF SAID BODY MOVING THROUGH THE PIPELINE, UPON INSERTION OF THE PLUG BODY INTO SECURED
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |