US3370869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for rotatable spray member
Assignee: Whirlpool Corp
•
Filing: 1964-01-06
•
Granted: 1968-02-27
•
Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Ival G Dutcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:16
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/14; A47L15/18; A47L15/22; A47L15/23; A47L15/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A SPRAY DEVICE HAVING A HUB, A FLOW PASSAGE THROUGH THE HUB HAVING AN OUTLET FOR DISCHARGING FLUID LATERALLY THEREFROM, AND A HOLLOW SPRAY ARM, MEANS FOR SUPPORTING THE SPRAY ARM ROTATABLY ON THE HUB, COMPRISING: ANNULAR RETAINING MEANS TO THE HUB; MEANS ON THE SPRAY ARM COOPERATING WITH THE SUPPORTING MEANS FOR RETAINING THE SPRAY ARM ROTATABLY ON THE HUB; AN ANNULAR FLANGE ON THE SPRAY ARM EXTENDING CIRCUMJACENT THE HUB; AN ANNULAR SEAL FORMED OF A FLEXIBLE MATERIAL AND HAVING AN INNER PORTION SLIDABLY ROTATABLY ENGAGING THE HUB AND EXTENDING BETWEEN THE HUB AND SAID ANNULAR FLANGE, AND AN OUTER PORTION WITHIN SAID SPRAY ARM ARRANGED TO BE HELD IN SEALING ENGAGEMENT WITH SAID ANNULAR FLANGE ON THE SPRAY ARM DIRECTLY BY FLUID PRESSURE WITHIN SAID ARM; AND MEANS ON THE SEAL OUTWARDLY OF SAID SPRAY ARM FOR RETAINING THE SEAL IN ASSOCIATION WITH THE SPRAY ARM.
Claim 2
Dependent Claim
150 words
IN A SPRAY DEVICE HAVING A HUB, A FLOW PASSAGE THROUGH THE HUB HAVING AN OUTLET FOR DISCHARGING FLUID LATERALLY THEREFROM, AND A HOLLOW SPRAY ARM, MEANS FOR SUPPORTING THE SPRAY ARM ROTATABLY ON THE HUB, COMPRISING: ANNULAR RETAINING MEANS TO THE HUB; MEANS ON THE SPRAY ARM COOPERATING WITH THE SUPPORTING MEANS FOR RETAINING THE SPRAY ARM ROTATABLY ON THE HUB; AN ANNULAR FLANGE ON THE SPRAY ARM EXTENDING CIRCUMJACENT THE HUB; AN ANNULAR SEAL FORMED OF A FLEXIBLE MATERIAL AND HAVING AN INNER PORTION SLIDABLY ROTATABLY ENGAGING THE HUB AND EXTENDING BETWEEN THE HUB AND SAID ANNULAR FLANGE, AND AN OUTER PORTION WITHIN SAID SPRAY ARM ARRANGED TO BE HELD IN SEALING ENGAGEMENT WITH SAID ANNULAR FLANGE ON THE SPRAY ARM DIRECTLY BY FLUID PRESSURE WITHIN SAID ARM; AND MEANS ON THE SEAL OUTWARDLY OF SAID SPRAY ARM FOR RETAINING THE SEAL IN ASSOCIATION WITH THE SPRAY ARM.
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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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |