US3076737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated annularly reinforced hose and method for its manufacture
Assignee: Fred T Roberts and Co
•
Filing: 1957-11-15
•
Granted: 1963-02-05
•
Expires: 1977-11-15
Abstract
No abstract record available.
Inventors
- 👤 Robert E Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:33
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/112; B29K; B29K2021/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE METHOD OF MAKING MOLDED, FLEXIBLE, CORRUGATED HOSE HAVING AXIAL REINFORCING MEMBERS EMBEDDED THEREIN WHICH COMPRISES PERFORMING A PLURALITY OF HOSE BODIES COMPOSED OF AN INNER TUBULAR ELASTOMERIC MEMBER AND AXIALLY SPACED REINFORCEMENTS SUPERIMPOSED THEREON AND BONDED THERETO, POSITIONING SAID HOSE BODIES IN END ABUTTING RELATIONSHIP WITHIN AN INTERNALLY RUGATED CAVITY IN A MOLD WITH AID REINFORCEMENTS, IN PREDETERMINED ALIGNMENT WITH THE CORRUGATIONS IN SAID MOLD, EXPANDING SAID HOSE BODIES WITHIN SAID MOLD REINFORCEMENTS HEAT AND INTERNAL PRESSURE TO CAUSE THE INNER TUBULAR MEMBER TO CONFORM TO SAID MOLD AND FLOW AROUND AND EMBED SAID REINFORCEMENTS AND REMOVING SAID HOSE BODIES FROM SAID MOLD AFTER SAID ELASTOMERIC MATERIAL HAS SET.
Claim 2
Independent Claim
110 words
THE METHOD OF MAKING MOLDED, FLEXIBLE, CORRUGATED HOSE HAVING AXIAL REINFORCING MEMBERS EMBEDDED THEREIN WHICH COMPRISES PERFORMING A PLURALITY OF HOSE BODIES COMPOSED OF AN INNER TUBULAR ELASTOMERIC MEMBER AND AXIALLY SPACED REINFORCEMENTS SUPERIMPOSED THEREON AND BONDED THERETO, POSITIONING SAID HOSE BODIES IN END ABUTTING RELATIONSHIP WITHIN AN INTERNALLY RUGATED CAVITY IN A MOLD WITH AID REINFORCEMENTS, IN PREDETERMINED ALIGNMENT WITH THE CORRUGATIONS IN SAID MOLD, EXPANDING SAID HOSE BODIES WITHIN SAID MOLD REINFORCEMENTS HEAT AND INTERNAL PRESSURE TO CAUSE THE INNER TUBULAR MEMBER TO CONFORM TO SAID MOLD AND FLOW AROUND AND EMBED SAID REINFORCEMENTS AND REMOVING SAID HOSE BODIES FROM SAID MOLD AFTER SAID ELASTOMERIC MATERIAL HAS SET.
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |