Patent US3272211A successfully refreshed from Google Patents.
US3272211A
Expired / Lapsed
US
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Main and service line connection embodying a self-tapping nipple and an excessive-flow safety valve-method and apparatus
Assignee: Mueller Co
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Filing: 1962-09-10
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Granted: 1966-09-13
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Expires: 1982-09-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilbur R Leopold
- 👤 John J Smith
- 👤 Lawrence F Luckenbill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:48
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0441; Y10T137/0458; Y10T137/0463; Y10T137/598; Y10T137/612; Y10T137/6123; Y10T408/00; Y10T408/89; Y10T408/895; Y10T408/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
THE METHOD OF CONNECTING A SERVICE LINE TO A MAIN WITHOUT ESCAPE OF FLUID FROM THE MAIN TO THE ATMOSHPERE, THE STEPS COMPRISING: SECURING FLUID-TIGHT TO THE WALL OF THE MAIN ONE END OF A NIPPLE; INSERTING INTO THE OTHER END OF THE NIPPLE A PLUG HAVING MEANS ON THE INNER END THEREOF FOR PERFORATING THE WALL OF THE MAIN BY ADVANCEMENT OF THE PLUG THEREAGAINST, HAVING A LONGITUDINAL THROUGH PASSAGEWAY, AND HAVING AN EXCESSIVE-FLOW-SAFETY-VALVE MEANS CONTROLLING THE PASSAGEWAY AND RESETTABLE BY REDUCTION OF THE PRESSURE DIFFERENTIAL THEREACROSS WHEN CLOSED; ADVANCING THE PLUG INTO ENGAGEMENT WITH AND PERFORATING THE WALL OF THE MAIN TO ALLOW FLUID UNDER PRESSURE TO ESCAPE THEREFROM INTO THE THROUGH PASSAGEWAY AND CLOSE THE VALVE MEANS, WHILE SUBSTANTIALLY PREVENTING PASSAGE OF SAID FLUID BETWEEN THE PLUG AND THE NIPPLE; RETAINING THE PLUG WITHIN THE NIPPLE; CONNECTING A SERVICE LINE FLUIDTIGHT TO THE OTHER END OF THE T; AND REDUCING THE PRESSURE DIFFERENTIAL ACROSS THE VALVE MEANS TO OPEN THE LATTER AND PERMIT FLUID TO FLOW FROM THE MAIN TO THE LINE AND ESTABLISH SERVICE.
Claim 2
Independent Claim
178 words
THE METHOD OF CONNECTING A SERVICE LINE TO A MAIN WITHOUT ESCAPE OF FLUID FROM THE MAIN TO THE ATMOSHPERE, THE STEPS COMPRISING: SECURING FLUID-TIGHT TO THE WALL OF THE MAIN ONE END OF A NIPPLE; INSERTING INTO THE OTHER END OF THE NIPPLE A PLUG HAVING MEANS ON THE INNER END THEREOF FOR PERFORATING THE WALL OF THE MAIN BY ADVANCEMENT OF THE PLUG THEREAGAINST, HAVING A LONGITUDINAL THROUGH PASSAGEWAY, AND HAVING AN EXCESSIVE-FLOW-SAFETY-VALVE MEANS CONTROLLING THE PASSAGEWAY AND RESETTABLE BY REDUCTION OF THE PRESSURE DIFFERENTIAL THEREACROSS WHEN CLOSED; ADVANCING THE PLUG INTO ENGAGEMENT WITH AND PERFORATING THE WALL OF THE MAIN TO ALLOW FLUID UNDER PRESSURE TO ESCAPE THEREFROM INTO THE THROUGH PASSAGEWAY AND CLOSE THE VALVE MEANS, WHILE SUBSTANTIALLY PREVENTING PASSAGE OF SAID FLUID BETWEEN THE PLUG AND THE NIPPLE; RETAINING THE PLUG WITHIN THE NIPPLE; CONNECTING A SERVICE LINE FLUIDTIGHT TO THE OTHER END OF THE T; AND REDUCING THE PRESSURE DIFFERENTIAL ACROSS THE VALVE MEANS TO OPEN THE LATTER AND PERMIT FLUID TO FLOW FROM THE MAIN TO THE LINE AND ESTABLISH SERVICE.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |