Patent US3113790A successfully refreshed from Google Patents.
US3113790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leakage interceptor for pipe couplings
Assignee: Individual
•
Filing: 1959-04-07
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Granted: 1963-12-10
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Roy A Matthiessen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:29
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/167; F16L23/003; F16L55/00; F16L55/16; F16L55/179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A LEAKAGE INTERCEPTOR FOR A PIPE JOINT HAVING COUPLING FLANGES WITH CIRCUMFERENTIAL SURFACES, COMPRISING A BODY PORTION FORMED OF A SINGLE ELONGATED STRIP OF RESILIENT SHEET MATERIAL OF A LENGTH SUBSTANTIALLY GREATER THAN THE CIRCUMFERENCE OF SAID COUPLING FLANGES HAVING A LONGITUDINAL FLANGE AT EACH LONGITUDINAL EDGE THEREOF COMPRISING A PLURALITY OF SEGMENTS, EACH HAVING ONE EDGE PORTION OFFSET WITH RESPECT TO THE EDGE PORTION OF THE NEXT ADJACENT SEGMENT, PROVIDING FOR AUTOMATIC OVERLAPPING OF SAID EDGE PORTIONS UPON ROLLING OF SAID STRIP INTO CIRCULAR FROM AROUND A PIPE COUPLING, SAID EDGE PORTIONS BEING SPACED APART A DISTANCE GREATER THAN THE DISTANCE BETWEEN THE OUTER SIDE FACES OF SAID COUPLING FLANGES, SAID LONGITUDINAL FLANGES TERMINATING SHORT OF ONE END OF SAID BODY PORTION, AND THE ENDS OF SAID BODY PORTION BEING FORMED TO OVERLAP EACH OTHER WHEN THE STRIP IS ROLLED INTO CIRCULAR FORM, AND MEANS FOR SEPARABLY FASTENING SAID ENDS IN SUCH OVERLAPPING RELATION.
Claim 2
Dependent Claim
155 words
A LEAKAGE INTERCEPTOR FOR A PIPE JOINT HAVING COUPLING FLANGES WITH CIRCUMFERENTIAL SURFACES, COMPRISING A BODY PORTION FORMED OF A SINGLE ELONGATED STRIP OF RESILIENT SHEET MATERIAL OF A LENGTH SUBSTANTIALLY GREATER THAN THE CIRCUMFERENCE OF SAID COUPLING FLANGES HAVING A LONGITUDINAL FLANGE AT EACH LONGITUDINAL EDGE THEREOF COMPRISING A PLURALITY OF SEGMENTS, EACH HAVING ONE EDGE PORTION OFFSET WITH RESPECT TO THE EDGE PORTION OF THE NEXT ADJACENT SEGMENT, PROVIDING FOR AUTOMATIC OVERLAPPING OF SAID EDGE PORTIONS UPON ROLLING OF SAID STRIP INTO CIRCULAR FROM AROUND A PIPE COUPLING, SAID EDGE PORTIONS BEING SPACED APART A DISTANCE GREATER THAN THE DISTANCE BETWEEN THE OUTER SIDE FACES OF SAID COUPLING FLANGES, SAID LONGITUDINAL FLANGES TERMINATING SHORT OF ONE END OF SAID BODY PORTION, AND THE ENDS OF SAID BODY PORTION BEING FORMED TO OVERLAP EACH OTHER WHEN THE STRIP IS ROLLED INTO CIRCULAR FORM, AND MEANS FOR SEPARABLY FASTENING SAID ENDS IN SUCH OVERLAPPING RELATION.
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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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |