Patent US2770532A successfully refreshed from Google Patents.
US2770532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for removing articles from and inserting articles into pipelines
Assignee: Individual
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Filing: 1953-07-06
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Granted: 1956-11-13
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Expires: 1973-07-06
Abstract
No abstract record available.
Inventors
- 👤 John C Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:30
CPC Classifications
F; F16; F16L; F16L55/00; G; G01; G01N; G01N17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0441; Y10T137/0458; Y10T137/0463; Y10T137/0469; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336; Y10T137/598; Y10T137/6109; Y10T137/612; Y10T137/6123; Y10T29/00; Y10T29/53; Y10T29/53552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A DEVICE FOR REMOVING AND INSERTING AN ARTICLE THROUGH AN APERTURE FORMED IN A PIPELINE, COMPRISING: A BASE DISC, SAID BASE DISC BEING FORMED WITH AN OPENING THAT IS ALIGNED WITH SAID APERTURE MEANS FOR MOUNTING SAID BASE DISC ON SAID PIPELINE ADJACENT SAID APERTURE; A COAXIAL AUXILIARY DISC ROTATABLY MOUNTED ON SAID BASE DISC ADJACENT THERETO, SAID BASE DISC BEING FORMED WITH AN OPENING THAT IS ALIGNABLE WITH THE OPENING IN SAID BASE DISC WHEN SAID AUXILIARY DISC IS DISPOSED IN A FIRST POSITION, SAID AUXILIARY DISC BEING ROTATABLE TO A SECOND POSITION WHEREIN ITS OPENING IS MISALIGNED WITH THE OPENING IN SAID BASE DISC WHEREBY THE LATTER IS BLOCKED; A FLUID-TIGHT HOUSING MOUNTED UPON SAID AUXILIARY DISC IN LINE WITH THE OPENING FORMED THEREIN AND IN COMMUNICATION THEREWITH, SAID HOUSING EXTENDING AXIALLY AWAY FROM THE SIDE OF SAID DISC REMOTE FROM SAID PIPELINE; MEANS FOR HOLDING SAID ARTICLE; AND A MECHANISM DISPOSED WITHIN SAID HOUSING FOR EFFECTING AXIAL MOVEMENT OF SAID LAST-MENTIONED MEANS RELATIVE TO SAID HOUSING THROUGH SAID OPENINGS AND SAID APERTURE.
Claim 2
Independent Claim
175 words
A DEVICE FOR REMOVING AND INSERTING AN ARTICLE THROUGH AN APERTURE FORMED IN A PIPELINE, COMPRISING: A BASE DISC, SAID BASE DISC BEING FORMED WITH AN OPENING THAT IS ALIGNED WITH SAID APERTURE MEANS FOR MOUNTING SAID BASE DISC ON SAID PIPELINE ADJACENT SAID APERTURE; A COAXIAL AUXILIARY DISC ROTATABLY MOUNTED ON SAID BASE DISC ADJACENT THERETO, SAID BASE DISC BEING FORMED WITH AN OPENING THAT IS ALIGNABLE WITH THE OPENING IN SAID BASE DISC WHEN SAID AUXILIARY DISC IS DISPOSED IN A FIRST POSITION, SAID AUXILIARY DISC BEING ROTATABLE TO A SECOND POSITION WHEREIN ITS OPENING IS MISALIGNED WITH THE OPENING IN SAID BASE DISC WHEREBY THE LATTER IS BLOCKED; A FLUID-TIGHT HOUSING MOUNTED UPON SAID AUXILIARY DISC IN LINE WITH THE OPENING FORMED THEREIN AND IN COMMUNICATION THEREWITH, SAID HOUSING EXTENDING AXIALLY AWAY FROM THE SIDE OF SAID DISC REMOTE FROM SAID PIPELINE; MEANS FOR HOLDING SAID ARTICLE; AND A MECHANISM DISPOSED WITHIN SAID HOUSING FOR EFFECTING AXIAL MOVEMENT OF SAID LAST-MENTIONED MEANS RELATIVE TO SAID HOUSING THROUGH SAID OPENINGS AND SAID APERTURE.
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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |