US2512433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose pipe and method of making same
Assignee: Imperial Chemical Industries Ltd
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Filing: 1947-03-21
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Granted: 1950-06-20
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Expires: 1967-03-21
Abstract
No abstract record available.
Inventors
- 👤 Leben Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:26
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; F; F16; F16L; F16L11/00; F16L11/04; B29K; B29K2021/00; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
84 words
THE PRODUCTION OF HOSEPIPES BY A PROCESS WHICH COMPRISES BRAIDING OR WINDING A DRAWN, HEAT SET FILAMENTOUS MATERIAL COMPOSED OF HIGHLY POLYMERIC LINEAR ESTERS WHICH HAVE BEEN OBTAINED BY HEATING AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH, WHERE N IS GREATER THAN 1 AND NOT EXCEEDING 10, WITH A SUBSTANCE OF THE GROUP CONSISTING OF TEREPHTHALIC ACID AND ESTER FORMING DERIVATIVES OF TERPHTALIC ACID ONTO A PIPE COMPOSED OF A MATERIAL OF THE GROUP CONSISTING OF RUBBER, SYNTHETIC RUBBER AND PLASTICIZED POLYVINYL CHLORIDE.
Claim 2
Dependent Claim
84 words
THE PRODUCTION OF HOSEPIPES BY A PROCESS WHICH COMPRISES BRAIDING OR WINDING A DRAWN, HEAT SET FILAMENTOUS MATERIAL COMPOSED OF HIGHLY POLYMERIC LINEAR ESTERS WHICH HAVE BEEN OBTAINED BY HEATING AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH, WHERE N IS GREATER THAN 1 AND NOT EXCEEDING 10, WITH A SUBSTANCE OF THE GROUP CONSISTING OF TEREPHTHALIC ACID AND ESTER FORMING DERIVATIVES OF TERPHTALIC ACID ONTO A PIPE COMPOSED OF A MATERIAL OF THE GROUP CONSISTING OF RUBBER, SYNTHETIC RUBBER AND PLASTICIZED POLYVINYL CHLORIDE.
Claim 3
Dependent Claim
78 words
A HOSEPIPE COMPRISED OF DRAWN, HEAT SET FILAMENTOUS MATERIAL COMPOSED OF HIGHLY POLYMERIC LINEAR ESTERS WHICH HAVE BEEN OBTAINED BY HEATING AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH, WHERE N IS GREATER THANT 1 AND NOT EXCEEDING 10, WITH A SUBSTANCE OF THE GROUP CONSISTING OF TEREPHTHALIC ACID AND ESTER FORMING DERIVATIVES OF TEREPHTALIC ACID, BRAIDED OR WOUND ONTO A PIPE COMPOSED OF A MATERIAL OF THE GROUP CONSISTING OF RUBBER, SYNTHETIC RUBBER AND PLASTICIZED POLYVINYL CHLORIDE.
Claim 4
Dependent Claim
78 words
A HOSEPIPE COMPRISED OF DRAWN, HEAT SET FILAMENTOUS MATERIAL COMPOSED OF HIGHLY POLYMERIC LINEAR ESTERS WHICH HAVE BEEN OBTAINED BY HEATING AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH, WHERE N IS GREATER THANT 1 AND NOT EXCEEDING 10, WITH A SUBSTANCE OF THE GROUP CONSISTING OF TEREPHTHALIC ACID AND ESTER FORMING DERIVATIVES OF TEREPHTALIC ACID, BRAIDED OR WOUND ONTO A PIPE COMPOSED OF A MATERIAL OF THE GROUP CONSISTING OF RUBBER, SYNTHETIC RUBBER AND PLASTICIZED POLYVINYL CHLORIDE.
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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) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |