US3297055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoses of synthetic plastic material
Assignee: Techno Chemie Kessler and Co GmbH
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Filing: 1963-10-02
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Granted: 1967-01-10
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Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Beck Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A HOSE COMPRISING, IN COMBINATION, A SUPPORT HELIX FORMED OF A SPIRALLY WOUND STRAND OF RESILIENT MATERIAL; A STRIP HAVING A CROSS-SECTION IN THE FORM OF TWO CURVED MARGINAL PORTIONS OF UNEQUAL RADII JOINED BY A WEB, SAID STRIP BEING WOUND HELICALLY ABOUT THE TURNS OF THE SUPPORT HELIX AND BEING SEATED IN A CHANNEL FORMED IN THE MARGINAL STRIP PORTION OF SMALLER RADIUS AND WITH SAID SMALLER RADIUS MARGINAL STRIP PORTION SEATED IN OVERLAPPED ENGAGEMENT WITH THE MARGINAL STRIP PORTION OF LARGER RADIUS TO FORM A TUBULAR BODY HAVING AN OUTER CORRUGATED CONFIGURATION; AND A TUBE MADE OF SYNTHETIC PLASTIC MATERIAL EXTERNALLY ENCOMPASSING SAID TUBULAR BODY IN PRESSURE ENGAGEMENT THEREWITH, SAID EXTERNAL TUBE HAVING A CORRUGATED CONFIGURATION THE VALLEYS OF WHICH ARE LOCATED IN THE SPACES BETWEEN SUCCESSIVE MARGINAL STRIP PORTIONS OF THE LARGER RADIUS, THE MOLECULAR CHAINS OF THE STRIP MATERIAL FORMING SAID TUBULAR BODY BEING ORIENTED IN A DIRECTION APPROXIMATELY TRANSVERSELY TO THE AXIAL DIRECTION OF THE HOSE AND THE MOLECULAR CHAINS OF THE MATERIAL OF SAID EXTERNAL TUBE BEING ORIENTED IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIAL DIRECTION OF THE HOSE.
Claim 2
Dependent Claim
186 words
A HOSE COMPRISING, IN COMBINATION, A SUPPORT HELIX FORMED OF A SPIRALLY WOUND STRAND OF RESILIENT MATERIAL; A STRIP HAVING A CROSS-SECTION IN THE FORM OF TWO CURVED MARGINAL PORTIONS OF UNEQUAL RADII JOINED BY A WEB, SAID STRIP BEING WOUND HELICALLY ABOUT THE TURNS OF THE SUPPORT HELIX AND BEING SEATED IN A CHANNEL FORMED IN THE MARGINAL STRIP PORTION OF SMALLER RADIUS AND WITH SAID SMALLER RADIUS MARGINAL STRIP PORTION SEATED IN OVERLAPPED ENGAGEMENT WITH THE MARGINAL STRIP PORTION OF LARGER RADIUS TO FORM A TUBULAR BODY HAVING AN OUTER CORRUGATED CONFIGURATION; AND A TUBE MADE OF SYNTHETIC PLASTIC MATERIAL EXTERNALLY ENCOMPASSING SAID TUBULAR BODY IN PRESSURE ENGAGEMENT THEREWITH, SAID EXTERNAL TUBE HAVING A CORRUGATED CONFIGURATION THE VALLEYS OF WHICH ARE LOCATED IN THE SPACES BETWEEN SUCCESSIVE MARGINAL STRIP PORTIONS OF THE LARGER RADIUS, THE MOLECULAR CHAINS OF THE STRIP MATERIAL FORMING SAID TUBULAR BODY BEING ORIENTED IN A DIRECTION APPROXIMATELY TRANSVERSELY TO THE AXIAL DIRECTION OF THE HOSE AND THE MOLECULAR CHAINS OF THE MATERIAL OF SAID EXTERNAL TUBE BEING ORIENTED IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIAL DIRECTION OF THE HOSE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |