Patent US2943644A successfully refreshed from Google Patents.
US2943644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hose
Assignee: COMPOFLOX Co Ltd
•
Filing: 1957-02-01
•
Granted: 1960-07-05
•
Expires: 1977-02-01
Abstract
No abstract record available.
Inventors
- 👤 Moseley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:56
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/10; B; B29; B29C; B29C33/00; B29D; B29D23/00; B29D23/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A FLEXIBLE HOSE CAPABLE OF CONVEYING LIQUID OXYGEN WITHOUT LOSS OF FLEXIBILITY OF EMBRITTLEMENT AND CONSISTING OF A TUBULAR BODY OF POLYETHYLENE TEREPHTHALATE CONSTITUTED BY AT LEAST ONE INNER LAYER OF CLOTH WOVEN FROM POLYETHYLENE TEREPHTHALATE YARN AND WOUND IN OVERLAPPING HELICAL COILS, A NUMBER IF INTERMEDIATE LAYERS OF POLYETHYLENE TEREPHTHALATE FILM WOUND IN OVERLAPPING HELICAL COILS AND AT LEAST ONE OUTER LAYER OF CLOTH WOVEN FROM POLYETHYLENE TEREPHTHALATE YARN AND WOUND IN OVERLAPPING HELICAL COILS, AND EXTERNAL AND INTERNAL ARMOURINGS OF METAL WIRE FITTED CLOSELY TO SAID BODY AND HOLDING THE CONSTITUENT LAYERS THEREOF TOGETHER.
Claim 2
Dependent Claim
96 words
A FLEXIBLE HOSE CAPABLE OF CONVEYING LIQUID OXYGEN WITHOUT LOSS OF FLEXIBILITY OF EMBRITTLEMENT AND CONSISTING OF A TUBULAR BODY OF POLYETHYLENE TEREPHTHALATE CONSTITUTED BY AT LEAST ONE INNER LAYER OF CLOTH WOVEN FROM POLYETHYLENE TEREPHTHALATE YARN AND WOUND IN OVERLAPPING HELICAL COILS, A NUMBER IF INTERMEDIATE LAYERS OF POLYETHYLENE TEREPHTHALATE FILM WOUND IN OVERLAPPING HELICAL COILS AND AT LEAST ONE OUTER LAYER OF CLOTH WOVEN FROM POLYETHYLENE TEREPHTHALATE YARN AND WOUND IN OVERLAPPING HELICAL COILS, AND EXTERNAL AND INTERNAL ARMOURINGS OF METAL WIRE FITTED CLOSELY TO SAID BODY AND HOLDING THE CONSTITUENT LAYERS THEREOF TOGETHER.
References Cited (Backward Citations)
US86652A
Cited
GB190725977A
Cited
GB591307A
Cited
US2512433A
Cited
GB627054A
Cited
US2650213A
Cited
US2739089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |