US3315986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and methods for connecting tubular conduits
Assignee: Individual
•
Filing: 1964-05-05
•
Granted: 1967-04-25
•
Expires: 1984-05-05
Abstract
No abstract record available.
Inventors
- 👤 Carl F Quick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/1608; F16L25/00; F16L25/0036; F16L31/00; F16L47/00; F16L47/20; F16L47/22; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10S285/00; Y10S285/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A CONNECTING AND REPAIR SLEEVE FOR TUBULAR CONDUITS, SAID SLEEVE COMPRISING A TUBULAR ELEMENT FORMED FROM HEAT-SHRINKABLE POLYMERIZED CHLOROPRENE, SAID TUBULAR ELEMENT HAVING AN ORIGINAL INTERNAL PERIMETRAL SIZE SMALLER THAN THE OUTSIDE PERIMETRAL SIZE OF THE TUBULAR CONDUIT, AND BEING PROVIDED ON ITS OUTER PERIPHERAL SURFACE WITH A COATING OF PYROTECHNICAL MATERIAL, SAID TUBULAR ELEMENT HAVING BEEN EXPANDED TO A SIZE OF THE TUBULAR CONDUIT WHEREBY THE OUTSIDE DIAMETRAL SIZE OF THE TUBULAR CONDUIT WHEREBY IT CAN BE FREELY SLIPPED TELESCOPICALLY OVER SAID TUBULAR CONDUIT, SAID COATING BEING APPLIED DIRECTLY TO THE OUTER SURFACE OF SAID TUBULAR ELEMENT, SAID COATING BEING OF NATURE TO CLOSELY ADHERE TO THE OUTER WALL SURFACE OF SAID SLEEVE WITHIN THE RANGE OF AND DURING CONTRACTION OF SAID SLEEVE, SO THAT SAID COATING REMAINS IN CONTINUOUS CONTACT WITH THE TUBULAR ELEMENT AFTER IT COMMENCES TO SHRINK.
Claim 2
Dependent Claim
141 words
A CONNECTING AND REPAIR SLEEVE FOR TUBULAR CONDUITS, SAID SLEEVE COMPRISING A TUBULAR ELEMENT FORMED FROM HEAT-SHRINKABLE POLYMERIZED CHLOROPRENE, SAID TUBULAR ELEMENT HAVING AN ORIGINAL INTERNAL PERIMETRAL SIZE SMALLER THAN THE OUTSIDE PERIMETRAL SIZE OF THE TUBULAR CONDUIT, AND BEING PROVIDED ON ITS OUTER PERIPHERAL SURFACE WITH A COATING OF PYROTECHNICAL MATERIAL, SAID TUBULAR ELEMENT HAVING BEEN EXPANDED TO A SIZE OF THE TUBULAR CONDUIT WHEREBY THE OUTSIDE DIAMETRAL SIZE OF THE TUBULAR CONDUIT WHEREBY IT CAN BE FREELY SLIPPED TELESCOPICALLY OVER SAID TUBULAR CONDUIT, SAID COATING BEING APPLIED DIRECTLY TO THE OUTER SURFACE OF SAID TUBULAR ELEMENT, SAID COATING BEING OF NATURE TO CLOSELY ADHERE TO THE OUTER WALL SURFACE OF SAID SLEEVE WITHIN THE RANGE OF AND DURING CONTRACTION OF SAID SLEEVE, SO THAT SAID COATING REMAINS IN CONTINUOUS CONTACT WITH THE TUBULAR ELEMENT AFTER IT COMMENCES TO SHRINK.
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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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |