US3205914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated laminate
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-03-27
•
Granted: 1965-09-14
•
Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 Clark Hadden
- 👤 Jr William H Haslett
- 👤 Raymond P Mckernan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:33
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J5/00; C08J5/24; C08J5/241; C08J5/244; C08J5/249; C08J2309/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/249942; Y10T428/249946; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31855; Y10T428/31909; Y10T428/31924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A FIBER REINFORCED COMPOSITE PIPE COMPRISING REINFORCING FIBERS LAID UP CIRCUMFERENTIALLY IN SUPERIMPOSED LAYER TO FORM A PERIPHERAL SHELL OF PIPE; SAID FIBERS HAVING BEEN SATURATED WITH A LIQUID THERMOSETTING POLYMER OF 75 TO 100 PARTS BY WEIGHT OF BUTADIENE AND 25 TO 0 PARTS BY WEIGHT OF STYRENE; BOTH THE INTERIOR AND EXTERIOR OF SAID PIPE BEING COATED CONTIGUOUSLY WITH AN UNCURED HOMOPOLYMER OF A MONOOLEFINICALLY UNSATURATED MONOMER HAVING FROM 2 TO 12 CARBON ATOMS; SAID THERMOSETTING POLYMER AND SAID HOMOPOLYMER OF A MONOOLEFINICALLY UNSATURATED MONOMER HAVING BEEN CO-CURED WITH AT LEAST THE THERMOSETTING POLYMER CONTAINING A PEROXIDE CATALYST DURING THE CO-CURING.
Claim 2
Dependent Claim
103 words
A FIBER REINFORCED COMPOSITE PIPE COMPRISING REINFORCING FIBERS LAID UP CIRCUMFERENTIALLY IN SUPERIMPOSED LAYER TO FORM A PERIPHERAL SHELL OF PIPE; SAID FIBERS HAVING BEEN SATURATED WITH A LIQUID THERMOSETTING POLYMER OF 75 TO 100 PARTS BY WEIGHT OF BUTADIENE AND 25 TO 0 PARTS BY WEIGHT OF STYRENE; BOTH THE INTERIOR AND EXTERIOR OF SAID PIPE BEING COATED CONTIGUOUSLY WITH AN UNCURED HOMOPOLYMER OF A MONOOLEFINICALLY UNSATURATED MONOMER HAVING FROM 2 TO 12 CARBON ATOMS; SAID THERMOSETTING POLYMER AND SAID HOMOPOLYMER OF A MONOOLEFINICALLY UNSATURATED MONOMER HAVING BEEN CO-CURED WITH AT LEAST THE THERMOSETTING POLYMER CONTAINING A PEROXIDE CATALYST DURING THE CO-CURING.
References Cited (Backward Citations)
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |