Patent EP0240956A2 successfully refreshed from Google Patents.
US3159727A
Expired / Lapsed
US
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Vacuum machine wall plug switch
Assignee: JOHN E MITCHELL COMPANY INC
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Filing: 1962-09-14
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Granted: 1964-12-01
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Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Boryfewycz Steve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:43
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/28; A47L9/2889; A47L9/2868; H; H01; H01H; H01H3/00; H01H3/02; H01H3/16; H01H3/161; H01R; H01R13/00; H01R13/46; H01R13/52; H01R13/5213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
IN AN OUTLET DEVICE AND SWITCH MECHANISM: A BASE, FIRST AND SECOND CONTACT MEANS, THE FIRST CONTACT MEANS BEING MOVABLY MOUNTED ON THE BASE FOR MOVEMENT TOWARD AND FROM THE SECOND; MEANS YIELDABLY URGING THE FIRST CONTACT MEANS TOWARD THE SECOND; THE SECOND CONTACT MEANS INCLUDING A MEMBER PIVOTALLY MOUNTED ON THE BASE, WITH A CONTACT END PROJECTING FROM THE PIVOT ALONGSIDE THE FIRST CONTACT MEANS AND IN THE LINE OF ITS MOVEMENT, A CAM ON THE SECOND CONTACT MEANS EXTENDING TOWARD THE FIRST AND ENGAGEABLE WITH IT TO HOLD THE CONTACTS APART; THE PIVOT OF THE SECOND CONTACT MEANS BEING LOCATED SO AS TO DISPLACE THE CAM FROM THE FIRST CONTACT MEANS AND TO BRING THE END OF THE SECOND CONTACT MEMBER AGAINST THE FIRST, AND TO CAUSE THE SECOND TO WIPE ACROSS THE FIRST CONTACT MEANS AS THE PIVOTAL MOVEMENT OF THE SECOND OCCURS; THE BASE HAVING AN OPENING THEREIN, AND A COVER ON THE PIVOTAL MEMBER OF THE SECOND CONTACT MEANS ON THE OPPOSITE END THEREOF FROM THE CONTACT END THEREOF, THE COVER BEING REMOVED FROM THE OPENING AS THE SECOND CONTACT MEMBER IS PIVOTED INTO ENGAGEMENT WITH THE FIRST CONTACT MEANS.
Claim 2
Dependent Claim
195 words
IN AN OUTLET DEVICE AND SWITCH MECHANISM: A BASE, FIRST AND SECOND CONTACT MEANS, THE FIRST CONTACT MEANS BEING MOVABLY MOUNTED ON THE BASE FOR MOVEMENT TOWARD AND FROM THE SECOND; MEANS YIELDABLY URGING THE FIRST CONTACT MEANS TOWARD THE SECOND; THE SECOND CONTACT MEANS INCLUDING A MEMBER PIVOTALLY MOUNTED ON THE BASE, WITH A CONTACT END PROJECTING FROM THE PIVOT ALONGSIDE THE FIRST CONTACT MEANS AND IN THE LINE OF ITS MOVEMENT, A CAM ON THE SECOND CONTACT MEANS EXTENDING TOWARD THE FIRST AND ENGAGEABLE WITH IT TO HOLD THE CONTACTS APART; THE PIVOT OF THE SECOND CONTACT MEANS BEING LOCATED SO AS TO DISPLACE THE CAM FROM THE FIRST CONTACT MEANS AND TO BRING THE END OF THE SECOND CONTACT MEMBER AGAINST THE FIRST, AND TO CAUSE THE SECOND TO WIPE ACROSS THE FIRST CONTACT MEANS AS THE PIVOTAL MOVEMENT OF THE SECOND OCCURS; THE BASE HAVING AN OPENING THEREIN, AND A COVER ON THE PIVOTAL MEMBER OF THE SECOND CONTACT MEANS ON THE OPPOSITE END THEREOF FROM THE CONTACT END THEREOF, THE COVER BEING REMOVED FROM THE OPENING AS THE SECOND CONTACT MEMBER IS PIVOTED INTO ENGAGEMENT WITH THE FIRST CONTACT MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |