US3235289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butt joints on reinforced plastic pipe and method of forming same
Assignee: Jones and Hunt Inc
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Filing: 1961-12-27
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Granted: 1966-02-15
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Bliss M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:21
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/82; B29C61/00; B29C61/006; B29C61/06; B29C61/0608; B29C61/0625; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/34; B29C65/3404; B29C65/342; B29C65/48; B29C65/50; B29C65/5007; B29C65/5028; B29C65/5042; B29C65/66; B29C65/68; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/32; B29C66/324; B29C66/3242; B29C66/342; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C66/70; B29C66/71; B29C66/72; B29C66/721; B29C66/7212; B29C66/73; B29C66/739; B29C66/7392; B29C66/7394; B29C66/81; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/44; B29C70/446; F; F16; F16L; F16L47/00; F16L47/02; F16L59/00; F16L59/14; F16L59/16; F16L59/18; B29C43/00; B29C43/02; B29C43/10; B29C43/12; B29C65/10; B29C65/14; B29C65/26; B29C65/346; B29C65/3468; B29C65/3472; B29C65/3476; B29C65/4805; B29C65/481; B29C65/4815; B29C65/483; B29C65/4835; B29C66/02; B29C66/022; B29C66/0222; B29C73/00; B29L; B29L2031/00; B29L2031/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PIPE JOINT COMPRISING: TWO END-ABUTTED PIPES EACH HAVING AN END TO BE JOINED AND INNER AND OUTER SURFACE; A CURED RESIN-IMPREGNATED GLASS CLOTH SURROUNDING AND BONDED TO THE OUTER SURFACES ADJACENT THE ABUTTING ENDS OF SAID PIPES; A HEAT SHRUNK IRRADIATED POLYETHYLENE TAPE SPIRALLY ENCAPSULATING SAID GLASS CLOTH ABOUT SAID PIPE JOINT TO FORM A TIGHT IMPERVIOUS WRAP; AND A LAYER OF CURED RESIN BONDED TO SAID ENDS AND INNER SURFACES OF SAID PIPES FOR SEALING SAID ENDS AND PREVENTING CAPILLARY ACTION OF ANY LIQUID FLOWING IN-BETWEEN THE ABUTTING ENDS OF SAID PIPES.
Claim 2
Dependent Claim
94 words
A PIPE JOINT COMPRISING: TWO END-ABUTTED PIPES EACH HAVING AN END TO BE JOINED AND INNER AND OUTER SURFACE; A CURED RESIN-IMPREGNATED GLASS CLOTH SURROUNDING AND BONDED TO THE OUTER SURFACES ADJACENT THE ABUTTING ENDS OF SAID PIPES; A HEAT SHRUNK IRRADIATED POLYETHYLENE TAPE SPIRALLY ENCAPSULATING SAID GLASS CLOTH ABOUT SAID PIPE JOINT TO FORM A TIGHT IMPERVIOUS WRAP; AND A LAYER OF CURED RESIN BONDED TO SAID ENDS AND INNER SURFACES OF SAID PIPES FOR SEALING SAID ENDS AND PREVENTING CAPILLARY ACTION OF ANY LIQUID FLOWING IN-BETWEEN THE ABUTTING ENDS OF SAID PIPES.
References Cited (Backward Citations)
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US2814313A
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |