US3024813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber hose
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1958-08-04
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Granted: 1962-03-13
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Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 Sear Derek William
- 👤 Evans Colin Wynne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:33
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/005; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833; Y10T428/31837
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
FLEXIBLE RUBBER HOSE COMPRISING A LINING OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF MONO-OLEFINES AND COPOLYMERS OF MIXED MONO-OLEIFNES AND HAVING AN OUTER FACE, AN OUTER LAYER OF VULCANIZED RUBBER WITH A RESILIENCY GREATER THAN THE OLEFINE POLYMER AND HAVING AN INNER FACE, AND AN INTERLAYER OF HYDROGENATED POLYBUTADIENE WHICH CONTACTS THE OUTER FACE OF THE LINING AND THE INNER FACE OF THE OUTER LAYER OF VULCANIZED RUBBER, THE CONTACTING FACES BEING BONDED TOGETHER.
Claim 2
Dependent Claim
78 words
FLEXIBLE RUBBER HOSE COMPRISING A LINING OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF MONO-OLEFINES AND COPOLYMERS OF MIXED MONO-OLEIFNES AND HAVING AN OUTER FACE, AN OUTER LAYER OF VULCANIZED RUBBER WITH A RESILIENCY GREATER THAN THE OLEFINE POLYMER AND HAVING AN INNER FACE, AND AN INTERLAYER OF HYDROGENATED POLYBUTADIENE WHICH CONTACTS THE OUTER FACE OF THE LINING AND THE INNER FACE OF THE OUTER LAYER OF VULCANIZED RUBBER, THE CONTACTING FACES BEING BONDED TOGETHER.
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |