Patent US3234449A successfully refreshed from Google Patents.
US3234449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laundry apparatus with improved control
Assignee: Whirlpool Corp
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Filing: 1961-03-23
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Granted: 1966-02-08
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Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 David L Lang
- 👤 Guy D Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:50
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; H; H02; H02H; H02H7/00; H02H7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
APPARATUS OF THE CHARACTER DESCRIBED, COMPRISING: A CONTROL MECHANISM; A ROTATABLE MEMBER; MEANS FOR ROTATING THE MEMBER, SAID CONTROL MECHANISM CONTROLLING OPERATION OF SAID ROTATING MEANS FOR ROTATING SAID MEMBER SUCCESSIVELY AT A FIRST SPEED AND AT A SECOND HIGHER SPEED DURING TWO PORTIONS OF A CYCLE OF OPERATION; SIGNALLING MEANS; FIRST SWITCH CONTROLLED BY SAID CONTROL MECHANISM FOR MAINTAINING SAID SIGNALLING MEANS IN A NORMALLY DEENERGIZED CONDITION WHEN SAID MEMBER IS ROTATED AT SAID FIRST SPEED DURING A FIRST PORTION OF SAID CYCLE; SECOND SWITCH MEANS FOR CONTROLLING OPERATION OF SAID SIG-
Claim 2
Dependent Claim
93 words
APPARATUS OF THE CHARACTER DESCRIBED, COMPRISING: A CONTROL MECHANISM; A ROTATABLE MEMBER; MEANS FOR ROTATING THE MEMBER, SAID CONTROL MECHANISM CONTROLLING OPERATION OF SAID ROTATING MEANS FOR ROTATING SAID MEMBER SUCCESSIVELY AT A FIRST SPEED AND AT A SECOND HIGHER SPEED DURING TWO PORTIONS OF A CYCLE OF OPERATION; SIGNALLING MEANS; FIRST SWITCH CONTROLLED BY SAID CONTROL MECHANISM FOR MAINTAINING SAID SIGNALLING MEANS IN A NORMALLY DEENERGIZED CONDITION WHEN SAID MEMBER IS ROTATED AT SAID FIRST SPEED DURING A FIRST PORTION OF SAID CYCLE; SECOND SWITCH MEANS FOR CONTROLLING OPERATION OF SAID SIG-
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |