Patent US3307383A successfully refreshed from Google Patents.
US3307383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator with controlled vane flexure
Assignee: Whirlpool Corp
•
Filing: 1965-10-01
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Granted: 1967-03-07
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Clifton A Cobb
- 👤 Raymond W Spiegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:39
CPC Classifications
D; D06; D06F; D06F13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN AGITATOR FOR USE IN A VERTICAL AXIS WASHING MACHINE COMPRISING: AN UPRIGHT CENTER POST, A PLURALITY OF FLEXIBLE VANES CONNECTED TO SAID CENTER POST AND HAVING RADIALLY EXTENDING FREE ENDS, AND A SKIRT COEXTENSIVELY
Claim 2
Dependent Claim
35 words
AN AGITATOR FOR USE IN A VERTICAL AXIS WASHING MACHINE COMPRISING: AN UPRIGHT CENTER POST, A PLURALITY OF FLEXIBLE VANES CONNECTED TO SAID CENTER POST AND HAVING RADIALLY EXTENDING FREE ENDS, AND A SKIRT COEXTENSIVELY
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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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |