Patent US3194274A successfully refreshed from Google Patents.
US3194274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floatable hose
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1963-05-14
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Granted: 1965-07-13
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Expires: 1983-05-14
Abstract
No abstract record available.
Inventors
- 👤 Griffiths Arthur Archer Brian
- 👤 Haughton Donald Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:00
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/12; F16L11/133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
FLOATABLE HOSE COMPRISING AN INNER HOSE BORE CONSTRUCTION, A LAYER OF FLEXIBLE CELLULAR OIL RESISTANT SYTHETIC RUBBER MATERAL SURROUNDING SAID INNER HOSE BORE, SEPARATE GAS-CONTAINING COMPARTMENTS IN THE LAYER DEFINED BY IMPERVIOUS COLLARS SPACED LONGITUDINALLY ALONG AND EXTENDING AROUND SAID INNER HOSE BORE., THE COLLAR BEING SEPARATED BY SECTIONS OF SAID FLEXIBLE CELLULAR MATERIAL, AND AN IMPERVIOUS COVERING SECURED OVER SAID LAYER.
Claim 2
Dependent Claim
62 words
FLOATABLE HOSE COMPRISING AN INNER HOSE BORE CONSTRUCTION, A LAYER OF FLEXIBLE CELLULAR OIL RESISTANT SYTHETIC RUBBER MATERAL SURROUNDING SAID INNER HOSE BORE, SEPARATE GAS-CONTAINING COMPARTMENTS IN THE LAYER DEFINED BY IMPERVIOUS COLLARS SPACED LONGITUDINALLY ALONG AND EXTENDING AROUND SAID INNER HOSE BORE., THE COLLAR BEING SEPARATED BY SECTIONS OF SAID FLEXIBLE CELLULAR MATERIAL, AND AN IMPERVIOUS COVERING SECURED OVER SAID LAYER.
References Cited (Backward Citations)
US1877793A
Cited
DE683547C
Cited
US2421625A
Cited
US2936792A
Cited
DE1097220B
Cited
GB850421A
Cited
FR1247968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |