US3028290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming a reinforced corrugated hose
Assignee: Individual
•
Filing: 1959-02-10
•
Granted: 1962-04-03
•
Expires: 1979-02-10
Abstract
No abstract record available.
Inventors
- 👤 Fred T Roberts
- 👤 Robert E Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:10
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; B29K; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/52; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/1028; Y10T156/1031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD OF FORMING A REINFORCED CORRUGATED HOSE COMPRISING MOLDING AN ELASTOMERIC BODY TO FORM A SELFSUSTAINING INNER HOSE MEMBER HAVING A CORRUGATED PORTION AND SHAPING THE CRESTS OF THE CORRUGATIONS TO PROVIDE REINFORCEMENT-RECEIVING PORTIONS, REMOVING THE BODY FROM THE MOLD, LOCATING A WIRE REINFORCEMENT ON EACH REINFORCEMENT-RECEIVING PORTION, APPLYING A COVER OVER SAID REINFORCEMENT TO FORM AN ASSEMBLY, AND MOLDING SAID ASSEMBLY INTO A COMPLETED HOSE HAVING THE CORRUGATED PORTION PROVIDED WITH UNIFORMLY CURVED CRESTS AND UNIFORMLY CURVED TROUGHS THEREON.
Claim 2
Independent Claim
81 words
THE METHOD OF FORMING A REINFORCED CORRUGATED HOSE COMPRISING MOLDING AN ELASTOMERIC BODY TO FORM A SELFSUSTAINING INNER HOSE MEMBER HAVING A CORRUGATED PORTION AND SHAPING THE CRESTS OF THE CORRUGATIONS TO PROVIDE REINFORCEMENT-RECEIVING PORTIONS, REMOVING THE BODY FROM THE MOLD, LOCATING A WIRE REINFORCEMENT ON EACH REINFORCEMENT-RECEIVING PORTION, APPLYING A COVER OVER SAID REINFORCEMENT TO FORM AN ASSEMBLY, AND MOLDING SAID ASSEMBLY INTO A COMPLETED HOSE HAVING THE CORRUGATED PORTION PROVIDED WITH UNIFORMLY CURVED CRESTS AND UNIFORMLY CURVED TROUGHS THEREON.
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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 |