US3176106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage change-over switch for electrical apparatus
Assignee: US Philips Corp
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Filing: 1962-06-12
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Granted: 1965-03-30
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Expires: 1982-06-12
Abstract
No abstract record available.
Inventors
- 👤 Driest Jan Van Den
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:17
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/38; B26B19/3873; B26B19/14; B26B19/28; B26B19/286; B26B19/3886; H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/635; H01H21/00; H01H21/54; H01H21/58; H01H9/00; H01H9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A VOLTAGE CHANGE-OVER SWITCH FOR AN ELECTRIC SHAVER COMPRISING AN INSULATED SUPPORTING PLATE PROVIDED WITH GUIDE GROOVES THEREIN, TWO BUTTONS SLIDEABLE IN SAID GUIDE GROOVES, VOLTAGE INDICIA ON SAID SUPPORTING PLATE IN THE PATH OF TRAVEL OF SAID BUTTONS, A CONTACT MEMBER, AND MEANS PIVOTALLY SECURING SAID CONTACT MEMBER TO SAID SUPPORTING PLATE, SAID BUTTONS BEING OPERATIVELY CONNECTED TO SAID PIVOTAL CONTACT MEMBER WHEREBY SAID BUTTONS ARE SIMULTANEOUSLY SLIDABLE IN OPPOSITE DIRECTIONS SO THAT ONE OF SAID VOLTAGE INDICIA IS ALWAYS COVERED BY ONE OF THE BUTTONS WHEN ANOTHER VOLTAGE CONNECTION HAS BEEN MADE TO SAID CONTACT MEMBER.
Claim 2
Dependent Claim
98 words
A VOLTAGE CHANGE-OVER SWITCH FOR AN ELECTRIC SHAVER COMPRISING AN INSULATED SUPPORTING PLATE PROVIDED WITH GUIDE GROOVES THEREIN, TWO BUTTONS SLIDEABLE IN SAID GUIDE GROOVES, VOLTAGE INDICIA ON SAID SUPPORTING PLATE IN THE PATH OF TRAVEL OF SAID BUTTONS, A CONTACT MEMBER, AND MEANS PIVOTALLY SECURING SAID CONTACT MEMBER TO SAID SUPPORTING PLATE, SAID BUTTONS BEING OPERATIVELY CONNECTED TO SAID PIVOTAL CONTACT MEMBER WHEREBY SAID BUTTONS ARE SIMULTANEOUSLY SLIDABLE IN OPPOSITE DIRECTIONS SO THAT ONE OF SAID VOLTAGE INDICIA IS ALWAYS COVERED BY ONE OF THE BUTTONS WHEN ANOTHER VOLTAGE CONNECTION HAS BEEN MADE TO SAID CONTACT MEMBER.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |