Patent US3159725A successfully refreshed from Google Patents.
US3159725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic electrical cord connector
Assignee: Individual
•
Filing: 1962-10-09
•
Granted: 1964-12-01
•
Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Richard E Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:12
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/703; H01R13/7036; H01R13/7037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A DETACHABLE ELECTRIC FIXTURE COMPRISING: (A) A MAGNETICALLY PERMEABLE ELECTRICALLY NON-CONDUCTIVE HOUSING, (B) MALE PRONGS PROJECTING FROM ONE FACE OF SAID HOUSING FORA ENGAGING A CONVENTIONAL SOCKET, (C) FEMALE SOCKETS MOUNTED IN ANOTHER FACE OF SAID HOUSING TO RECEIVE MALE PRONGS OF A CONVENTIONAL PLUG, (D) PERMANENT MAGNET MEANS IN SAID HOUSING (E) PARAMAGNETICALLY RESPONSIVE ELEMENTS MOUNTED IN SAID HOUSING TO MAKE ELECTRICAL CONNECTION BETWEEN SAID PRONGS AND SAID FEMALE SOCKETS, (F) A PIVOTALLY MOUNTED SWITCH MEANS ASSOCIATED WITH AT LEAST ONE OF SAID PARAMAGNETICALLY RESPONSIVE ELEMENTS AND A MALE PLUG, AND (G) SAID PARAMAGNETICALLY RESPONSIVE ELEMENTS CONDUCTING ELECTRICITY ONLY WHEN SAID MAGNET MEANS IS PLACED IN CLOSE PROXIMITY TO SAID ELEMENTS TO ACTUATE SAID SWITCH MEANS.
Claim 2
Dependent Claim
117 words
A DETACHABLE ELECTRIC FIXTURE COMPRISING: (A) A MAGNETICALLY PERMEABLE ELECTRICALLY NON-CONDUCTIVE HOUSING, (B) MALE PRONGS PROJECTING FROM ONE FACE OF SAID HOUSING FORA ENGAGING A CONVENTIONAL SOCKET, (C) FEMALE SOCKETS MOUNTED IN ANOTHER FACE OF SAID HOUSING TO RECEIVE MALE PRONGS OF A CONVENTIONAL PLUG, (D) PERMANENT MAGNET MEANS IN SAID HOUSING (E) PARAMAGNETICALLY RESPONSIVE ELEMENTS MOUNTED IN SAID HOUSING TO MAKE ELECTRICAL CONNECTION BETWEEN SAID PRONGS AND SAID FEMALE SOCKETS, (F) A PIVOTALLY MOUNTED SWITCH MEANS ASSOCIATED WITH AT LEAST ONE OF SAID PARAMAGNETICALLY RESPONSIVE ELEMENTS AND A MALE PLUG, AND (G) SAID PARAMAGNETICALLY RESPONSIVE ELEMENTS CONDUCTING ELECTRICITY ONLY WHEN SAID MAGNET MEANS IS PLACED IN CLOSE PROXIMITY TO SAID ELEMENTS TO ACTUATE SAID SWITCH 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 |