US2783173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making laminated tubing
Assignee: Resistoflex Corp
•
Filing: 1954-07-01
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Granted: 1957-02-26
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Expires: 1974-07-01
Abstract
No abstract record available.
Inventors
- 👤 Benjamin M Walker
- 👤 John Alexander N T St
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:24
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; Y; Y10; Y10S; Y10S138/00; Y10S138/03; Y10S264/00; Y10S264/50; Y10S273/00; Y10S273/07; Y10S60/00; Y10S60/909; Y10S74/00; Y10S74/10; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1314; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128; Y10T74/18136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD OF MAKING REINFORCED FLUOROCARBON RESIN PIPE WHICH COMPRISES WRAPPING ON A MANDREL A PLURALITY OF LAYERS OF FARBIC IMPREGENATED WITH SAID RESIN, TIGHTLY WRAPPING THEREON A LAYER OF GLASS FABRIC TAPE, HEATING THE THUS FORMED ASSEMBLY TO SINTERING TEMPERATURE TO FUSE THE ADJACENT RESIN SURFACES OF SAID IMPREGENATED FABRIC TO GETHER, COOLING THE ASSEMBLY, REMOVING SAID TAPE, AND REMOVING THE PIPE FROM THE MANDREL.
Claim 2
Independent Claim
66 words
THE METHOD OF MAKING REINFORCED FLUOROCARBON RESIN PIPE WHICH COMPRISES WRAPPING ON A MANDREL A PLURALITY OF LAYERS OF FARBIC IMPREGENATED WITH SAID RESIN, TIGHTLY WRAPPING THEREON A LAYER OF GLASS FABRIC TAPE, HEATING THE THUS FORMED ASSEMBLY TO SINTERING TEMPERATURE TO FUSE THE ADJACENT RESIN SURFACES OF SAID IMPREGENATED FABRIC TO GETHER, COOLING THE ASSEMBLY, REMOVING SAID TAPE, AND REMOVING THE PIPE FROM THE MANDREL.
References Cited (Backward Citations)
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US2475194A
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US2454625A
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |