US3590606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine
Assignee: Panasonic Holdings Corp
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Filing: 1968-08-19
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Granted: 1971-07-06
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Expires: 1988-08-19
Abstract
Abstract A washing machine wherein a trap is provided in a drain passage leading from the drain port of the washing tub to a drain pump to separate objectionable materials present in the washing water being drained therefrom, thereby to provide for smooth drainage of said washing water.
Inventors
- 👤 Kojiro Takeyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:37
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/10; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4553
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A washing machine having a trap assembly connected to a drain port in the bottom wall of a washing outer tub for separating objectionable materials present in the drain liquid from a drain circuit, a hose communicating an objectionable material discharge opening with an objectionable material discharge port provided in the outer wall of the body of the washing machine and a cap fitted on the outer end of said discharge port, said trap including a projecting pipe provided interior thereof and extending downwardly and a drain outlet port provided in the sidewall thereof at a level higher than the lower end of said projecting pipe so as to have said drain circuit make a detour from the lower end of said projecting pipe upwardly to said drain outlet port, said objectionable material discharge opening being located below the lower end of said projecting pipe in opposed relation thereto.
Claim 2
Dependent Claim
149 words
A washing machine having a trap assembly connected to a drain port in the bottom wall of a washing outer tub for separating objectionable materials present in the drain liquid from a drain circuit, a hose communicating an objectionable material discharge opening with an objectionable material discharge port provided in the outer wall of the body of the washing machine and a cap fitted on the outer end of said discharge port, said trap including a projecting pipe provided interior thereof and extending downwardly and a drain outlet port provided in the sidewall thereof at a level higher than the lower end of said projecting pipe so as to have said drain circuit make a detour from the lower end of said projecting pipe upwardly to said drain outlet port, said objectionable material discharge opening being located below the lower end of said projecting pipe in opposed relation thereto.
References Cited (Backward Citations)
US856229A
Cited
US1225329A
Cited
US1360651A
Cited
DE808695C
Cited
US3003347A
Cited
FR1291676A
Cited
US3102409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |