Patent US4643229A successfully refreshed from Google Patents.
US4643229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewage disposal hose
Assignee: Individual
•
Filing: 1985-06-12
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Granted: 1987-02-17
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Expires: 2005-06-12
Abstract
Abstract Flexible and expansible hose for use with recreational vehicles for waste disposal and the like is provided with an easily applied and removable protective sleeve which is coextensive therewith.
Inventors
- 👤 Ray Hickin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:07
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/118; B; B60; B60R; B60R15/00; E; E03; E03F; E03F1/00; E03F1/008
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
141 words
A flexible hose for discharging waste from holding tanks in recreational vehicles or the like, which comprises an inner flexible and stretchable tubular hose member and an outer flexible protective tubular sleeve surrounding said inner hose member in a close fitting manner and having such length and diameter as to conform to the inner hose member in both its collapsed and stretched configuration, a rigid tubular insert positioned within each end of the inner hose member and surrounded thereby and by the ends of the protective sleeve surrounding said inner hose member, said outer protective sleeve having circumferential pockets formed at each end by folding over and securing ends of said sleeve, and a clamp positioned within each fold in clamping engagement with the ends of the outer sleeve, the inner hose and the rigid tubular inserts at the ends thereof.
Claim 2
Dependent Claim
141 words
A flexible hose for discharging waste from holding tanks in recreational vehicles or the like, which comprises an inner flexible and stretchable tubular hose member and an outer flexible protective tubular sleeve surrounding said inner hose member in a close fitting manner and having such length and diameter as to conform to the inner hose member in both its collapsed and stretched configuration, a rigid tubular insert positioned within each end of the inner hose member and surrounded thereby and by the ends of the protective sleeve surrounding said inner hose member, said outer protective sleeve having circumferential pockets formed at each end by folding over and securing ends of said sleeve, and a clamp positioned within each fold in clamping engagement with the ends of the outer sleeve, the inner hose and the rigid tubular inserts at the ends thereof.
Claim 3
Dependent Claim
53 words
A flexible hose according to claim 1 wherein one of said rigid inserts at one end is in slidably engagement with a disconnect fitting for attachment to a holding tank discharge outlet and the other of said rigid inserts at the other end extends beyond said end for insertion into a sewage dump.
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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) | 1990-02-16 | 1990-08-18 | 1991-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-16 | 1994-08-18 | 1995-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-16 | 1998-08-18 | 1999-02-17 | $7700.00 | Window Closed / Lapsed |