Patent US3296840A successfully refreshed from Google Patents.
US3296840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laundry agitator
Assignee: Whirlpool Corp
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Filing: 1965-09-15
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Granted: 1967-01-10
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Expires: 1985-09-15
Abstract
No abstract record available.
Inventors
- 👤 James A Tichenor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:42
CPC Classifications
D; D06; D06F; D06F13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A LAUNDRY MACHINE AGITATOR COMPRISING A STRUCTURE FORMED OF A SINGLE PIECE OF PLASTIC MATERIAL AND DEFINING A CENTER POST, A PLURALITY OF VANES CIRCUMFERENTIALLY SPACED ABOUT SAID POST, AND A SEMI-SKIRT AT ONE END OF SAID VANES, AT LEAST ONE OF SAID VANES COMPRISING A THIN WALL HAVING AN INNER PORTION CONNECTED TO AND EXTENDING LENGTHWISE OF SAID POST, AND A HIGHLY FLEXIBLE PADDLE PORTION EXTENDING OUTWARDLY FROM SAID INNER PORTION TO BELOW SAID INNER PORTION, SAID SEMI-SKIRT EXTENDING COAXIALLY OUTWARDLY FROM SAID POST AT SAID ONE END OF THE VANE, SAID SEMI-SKIRT BEING CONNECTED TO SAID INNER PORTION AND EXTENDING TOWARD THE PADDLE PORTION LESS THAN THE RADIAL EXTENT OF SAID INNER PORTION, THE CONNECTION OF SAID INNER VANE PORTION TO SAID POST AND TO SAID SEMI-SKIRT STRENGTHENING AND CONTROLLING THE FLEXURE THEREOF WHILE PERMITTING SAID PADDLE PORTION TO HAVE FREE FLEXIBILITY.
Claim 2
Dependent Claim
144 words
A LAUNDRY MACHINE AGITATOR COMPRISING A STRUCTURE FORMED OF A SINGLE PIECE OF PLASTIC MATERIAL AND DEFINING A CENTER POST, A PLURALITY OF VANES CIRCUMFERENTIALLY SPACED ABOUT SAID POST, AND A SEMI-SKIRT AT ONE END OF SAID VANES, AT LEAST ONE OF SAID VANES COMPRISING A THIN WALL HAVING AN INNER PORTION CONNECTED TO AND EXTENDING LENGTHWISE OF SAID POST, AND A HIGHLY FLEXIBLE PADDLE PORTION EXTENDING OUTWARDLY FROM SAID INNER PORTION TO BELOW SAID INNER PORTION, SAID SEMI-SKIRT EXTENDING COAXIALLY OUTWARDLY FROM SAID POST AT SAID ONE END OF THE VANE, SAID SEMI-SKIRT BEING CONNECTED TO SAID INNER PORTION AND EXTENDING TOWARD THE PADDLE PORTION LESS THAN THE RADIAL EXTENT OF SAID INNER PORTION, THE CONNECTION OF SAID INNER VANE PORTION TO SAID POST AND TO SAID SEMI-SKIRT STRENGTHENING AND CONTROLLING THE FLEXURE THEREOF WHILE PERMITTING SAID PADDLE PORTION TO HAVE FREE FLEXIBILITY.
References Cited (Backward Citations)
US1782684A
Cited
US2161604A
Cited
US2199027A
Cited
US2383783A
Cited
FR1053614A
Cited
US2726529A
Cited
US3112632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |