US3028289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making flexible reinforced corrugated hose
Assignee: Individual
•
Filing: 1957-12-23
•
Granted: 1962-04-03
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Fred T Roberts
- 👤 Robert E Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:29
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/112; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF MAKING A CORRUGATED FABRIC REINFORCED HOSE WHICH COMPRISES POSITIONING METALLIC REINFORCEMENT MEANS ON A CORRUGATED MANDREL WITH THE COILS OF THE REINFORCEMENT MEANS SEATED OVER THE CRESTS OF THE CORRUGATIONS ON THE MANDREL, PREFORMING A COMPOSITE ELASTOMERIC TUBULAR MEMBER HAVING A FABRIC REINFORCING LAYER AFFIXED THERETO, POSITIONING SAID COMPOSITE TUBULAR MEMBER OVER SAID REINFORCING MEANS ON SAID MANDREL, PRESSING SAID COMPOSITE MEMBER INTO FIRM ENGAGEMENT WITH SAID MANDREL TO CAUSE IT TO CONFORM TO THE CONTOURS THEREOF AND ENGAGE SAID REINFORCING MEANS TO FORM TROUGHS BELOW THE REINFORCEMENT MEANS, AND SUBJECTING THE RESULTING ASSEMBLY TO HEAT AND PRESSURE TO CAUSE THE FABRIC TO BECOME EMBEDDED IN THE ELASTOMERIC MATERIAL, AND REMOVING THE RESULTANT HOSE FROM THE MANDREL.
Claim 2
Independent Claim
120 words
THE METHOD OF MAKING A CORRUGATED FABRIC REINFORCED HOSE WHICH COMPRISES POSITIONING METALLIC REINFORCEMENT MEANS ON A CORRUGATED MANDREL WITH THE COILS OF THE REINFORCEMENT MEANS SEATED OVER THE CRESTS OF THE CORRUGATIONS ON THE MANDREL, PREFORMING A COMPOSITE ELASTOMERIC TUBULAR MEMBER HAVING A FABRIC REINFORCING LAYER AFFIXED THERETO, POSITIONING SAID COMPOSITE TUBULAR MEMBER OVER SAID REINFORCING MEANS ON SAID MANDREL, PRESSING SAID COMPOSITE MEMBER INTO FIRM ENGAGEMENT WITH SAID MANDREL TO CAUSE IT TO CONFORM TO THE CONTOURS THEREOF AND ENGAGE SAID REINFORCING MEANS TO FORM TROUGHS BELOW THE REINFORCEMENT MEANS, AND SUBJECTING THE RESULTING ASSEMBLY TO HEAT AND PRESSURE TO CAUSE THE FABRIC TO BECOME EMBEDDED IN THE ELASTOMERIC MATERIAL, AND REMOVING THE RESULTANT HOSE FROM THE MANDREL.
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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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |