US2609319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated pipe and process of making same
Assignee: Mathieson Chemical Corp
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Filing: 1949-01-05
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Granted: 1952-09-02
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Expires: 1969-01-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Boge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/562; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3577
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
A LAMINATED PIPE COMPOSED OF LAMINATIONS OF GLASS CLOTH BOUND TOGETHER BY A RESIN WHICH IS A POLYMER OF A REACTION MIXTURE CONSISTING ESSENTIALLY OF A SOLUTION OF POLYMERIC NUCLEAR DI CHLOROSTYRENE IN MONOMOERIC NUCLEAR DICHLOROSTYRENE AND A MINOR PROPORTION OF A CROSS-LINKING AGENT.
Claim 2
Dependent Claim
44 words
A LAMINATED PIPE COMPOSED OF LAMINATIONS OF GLASS CLOTH BOUND TOGETHER BY A RESIN WHICH IS A POLYMER OF A REACTION MIXTURE CONSISTING ESSENTIALLY OF A SOLUTION OF POLYMERIC NUCLEAR DI CHLOROSTYRENE IN MONOMOERIC NUCLEAR DICHLOROSTYRENE AND A MINOR PROPORTION OF A CROSS-LINKING AGENT.
Claim 3
Dependent Claim
57 words
A PROCESS FOR MANUFACTURING PLASTIC PIPE WHICH COMPRISES IMPREGNATING GLASS CLOTH WITH A SOLUTION CONSISTING ESSENTIALLY OF POLYMERIC NUCLEAR DICHLOROSTYRENE IN MONOMERIC NUCLEAR DICHLOROSTYRENE AND CONTAINING 0.1% TO 10% BY WEIGHT OF A CROSS-LINKING AGENT, WINDING THE IMPREGNATED CLOTH ONTO A MANDREL, POLYMERIZING THE MONOMERIC CONSTITUENTS OF THE IMPREGNATING SOLUTION AND REMOVING THE MANDREL FROM THE PIPE.
Claim 4
Dependent Claim
57 words
A PROCESS FOR MANUFACTURING PLASTIC PIPE WHICH COMPRISES IMPREGNATING GLASS CLOTH WITH A SOLUTION CONSISTING ESSENTIALLY OF POLYMERIC NUCLEAR DICHLOROSTYRENE IN MONOMERIC NUCLEAR DICHLOROSTYRENE AND CONTAINING 0.1% TO 10% BY WEIGHT OF A CROSS-LINKING AGENT, WINDING THE IMPREGNATED CLOTH ONTO A MANDREL, POLYMERIZING THE MONOMERIC CONSTITUENTS OF THE IMPREGNATING SOLUTION AND REMOVING THE MANDREL FROM THE PIPE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |