Patent US4374517A successfully refreshed from Google Patents.
Patent US3947939A successfully refreshed from Google Patents.
US3586558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous manufacture of reinforced hose
Assignee: HK Porter Co Inc
•
Filing: 1967-11-28
•
Granted: 1971-06-22
•
Expires: 1987-11-28
Abstract
Abstract THIS INVENTION PROVIDES A METHOD OF AND APPARATUS FOR CONTINOUSLY MANUFACTURING ELASTOMERIC HOSE HAVING REINFORCEMENT IN THE FORM OF KNITTED, WOVEN, BRAIDED OR LAPPED TEXTIEL YARNS OR THE LIKE BETWEEN EXTRUDED ELASTOMERIC INNER AND OUTER LAYERS THE ELASTOMERIC COMPONENTS OF WHICH ARE CURED IN A CONTINUOUS VULCANIZER AS THE HOSE PASSES THROUGH IT, FLUID PRESSURE BEING MAINTAINED IN THE HOSE TO PRESERVE ITS CYLINDRICAL FORM AS RAPIDLY MOVING, CHEMICALLY INERT, HOT SOLID PARTICLES IMPART CURING HEAT TO IT.
Inventors
- 👤 Frederick M Galloway
- 👤 Samuel William Riley
- 👤 Robert H Sinnamon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:48
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/14; B29C48/141; B29C48/15; B29C48/151; B29C48/152; B29C48/153; B29C48/25; B29C48/88; B29C48/91; B29C48/911; B29C48/9135; B29C48/914; F; F16; F16L; F16L11/00; F16L11/04; F16L11/08; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |