Patent US3100658A successfully refreshed from Google Patents.
US3100658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe joint sealing wrapper
Assignee: Goodrich Corp
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Filing: 1958-01-27
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Granted: 1963-08-13
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Miller H Paul
- 👤 William A Soper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:35
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/10; F16L21/00; F16L21/002; F16L21/005; F16L25/00; F16L25/0027; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10T; Y10T403/00; Y10T403/45; Y10T403/453; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PIPE JOINT WRAPPER FOR BURIED PIPES, SAID WRAPPER BEING ENTIRELY OF FLEXIBLE ELASTIC RUBBER-LIKE MATERIAL AND INCLUDING A BODY IN THE FORM OF A STRIP ADAPTED TO CIRCUMFERENTAILLY EMBRACE BOTH OPPOSING PIPE ENDS OF THE JOINT WITH THE ENDS OF THE STRIP OVERLAPPING ONE ANOTHER, SAID BODY HAVING ON THE PIPE-EMBRACING SIDE THEREOF A PAIR OF LATERALLY SPACED RIDGES ALONG EACH CIRCUMFERENTIAL MARGIN OF THE BODY, AND AT LEAST ONE INTRA-MARGINAL RIDGE BETWEEN SAID PAIRS OF MARGINAL RIDGES, A MASTIC SEALING COMPOSITION COVERING THHE PIPE-EMBRACING SIDE OF SAID BODY BETWEEN SAID RIDGES, SAID RIDGES BEING ADAPTED TO CIRCUMFERENTIALLY ENGAGE THE PIPE ENDS RESILIENTLY AND DEFINING WITH THE BODY PORTION A SERIES OF ANNULAR CHANNELS OR CIRCUMFERENTIALLY ENCIRCULING THE PIPE ENDS TO CONTAIN MASTIC SEALING MATERIAL ABOUT SAID PIPE ENDS AGAINST FLOW AXIALLY OF THE PIPE.
Claim 2
Dependent Claim
136 words
A PIPE JOINT WRAPPER FOR BURIED PIPES, SAID WRAPPER BEING ENTIRELY OF FLEXIBLE ELASTIC RUBBER-LIKE MATERIAL AND INCLUDING A BODY IN THE FORM OF A STRIP ADAPTED TO CIRCUMFERENTAILLY EMBRACE BOTH OPPOSING PIPE ENDS OF THE JOINT WITH THE ENDS OF THE STRIP OVERLAPPING ONE ANOTHER, SAID BODY HAVING ON THE PIPE-EMBRACING SIDE THEREOF A PAIR OF LATERALLY SPACED RIDGES ALONG EACH CIRCUMFERENTIAL MARGIN OF THE BODY, AND AT LEAST ONE INTRA-MARGINAL RIDGE BETWEEN SAID PAIRS OF MARGINAL RIDGES, A MASTIC SEALING COMPOSITION COVERING THHE PIPE-EMBRACING SIDE OF SAID BODY BETWEEN SAID RIDGES, SAID RIDGES BEING ADAPTED TO CIRCUMFERENTIALLY ENGAGE THE PIPE ENDS RESILIENTLY AND DEFINING WITH THE BODY PORTION A SERIES OF ANNULAR CHANNELS OR CIRCUMFERENTIALLY ENCIRCULING THE PIPE ENDS TO CONTAIN MASTIC SEALING MATERIAL ABOUT SAID PIPE ENDS AGAINST FLOW AXIALLY OF THE PIPE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |