US2941915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making reinforced composite pipe
Assignee: Individual
•
Filing: 1954-12-28
•
Granted: 1960-06-21
•
Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Fred W Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:34
CPC Classifications
D; D01; D01D; D01D5/00; B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A METHOD FOR MAKING PIPE, THE STEP COMPRISING: DISPERSING A FIBRE-FORMING MATERIAL IN A HEATED GASEOUS ATMOSPHERE TO PRODUCE DISCRETE FLUID PARTICLES, DEPOSITING THE SAID PARTICLES ON A PRIMARY ROTATING MEMBER TO FORM A COATING THEREOVER OF FIB-FORMING FLUIDITY, ADHESIVELY CONTACTING PREDETERMINED PORTIONS OF THE SAID COATING WITH DISCRETE SOLIDS, PROPELLING THE SAID SOLIDS BY FORCE OF A FLUID STREAM MOVING IN A CONTROLLED PATH TO ATTENUATE THE SAID PORTIONS INTO SOLIDS-ENTRAINED, STRETCH-ORIENTED FILAMENTS, DESPOSITING THE SAID FILAMENTS IN A SUCCESSIVE SERIES OF SUPERPOSED WINDINGS ABOUT A SECONDARY ROTATING MEMBER BY RELATIVE MOVEMENTS OF THE WINDINGS IN SAID CONTROLLED PATH AND THE SAID SECONDARY MEMBER, AND BONDING HTE SAID SOLIDS AND WINDINGS TOGETHER TO FORM THE WALL OF THE SAID PIPE.
Claim 2
Dependent Claim
122 words
IN A METHOD FOR MAKING PIPE, THE STEP COMPRISING: DISPERSING A FIBRE-FORMING MATERIAL IN A HEATED GASEOUS ATMOSPHERE TO PRODUCE DISCRETE FLUID PARTICLES, DEPOSITING THE SAID PARTICLES ON A PRIMARY ROTATING MEMBER TO FORM A COATING THEREOVER OF FIB-FORMING FLUIDITY, ADHESIVELY CONTACTING PREDETERMINED PORTIONS OF THE SAID COATING WITH DISCRETE SOLIDS, PROPELLING THE SAID SOLIDS BY FORCE OF A FLUID STREAM MOVING IN A CONTROLLED PATH TO ATTENUATE THE SAID PORTIONS INTO SOLIDS-ENTRAINED, STRETCH-ORIENTED FILAMENTS, DESPOSITING THE SAID FILAMENTS IN A SUCCESSIVE SERIES OF SUPERPOSED WINDINGS ABOUT A SECONDARY ROTATING MEMBER BY RELATIVE MOVEMENTS OF THE WINDINGS IN SAID CONTROLLED PATH AND THE SAID SECONDARY MEMBER, AND BONDING HTE SAID SOLIDS AND WINDINGS TOGETHER TO FORM THE WALL OF THE SAID PIPE.
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |