US3605770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwasher apparatus
Assignee: Whirlpool Corp
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Filing: 1970-04-15
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Granted: 1971-09-20
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Expires: 1990-04-15
Abstract
Abstract A DISHWASHER THAT INCLUDES A LIQUID CONDUIT AND A ROTATABLE SPRAY ARM AN ARTICLE HOLDING RACK SPACED FROM THE SPRAY ARM IN WHICH A PORTION OF THE LIQUID THAT IS UNDER PRESSURE WITHIN THE SPRAY ARM IS PERMITTED TO ESCAPE TO THE OUTSIDE OF THE ARM, AND IN WHICH INTERCEPTING AND PROJECTING MEMBERS ARE PROVIDED FOR DIRECTING THIS ESCAPING LIQUID FIRST ALONG THE OUTER SURFACE OF THE SPRAY ARM AND THEN TOWARD THE ADJACENT RACK AND ARTICLES SUCH AS DISCHES THEREIN.
Inventors
- 👤 William F Robandt
- 👤 Raymond W Spiegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:17
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/14; A47L15/18; A47L15/22; A47L15/23
Claims Analysis
Total Claims: 0
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |