Patent US2366988A successfully refreshed from Google Patents.
Patent US3359523A successfully refreshed from Google Patents.
US3359523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shunt device
Assignee: Individual
•
Filing: 1966-01-26
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Granted: 1967-12-19
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Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 Lou Shih-Woo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:25
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/945; H01R33/9453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A SHUNT DEVICE FOR SERIES-CONNECTED ELECTRIC LAMPS MOUNTED AT THE NORMALLY CLOSED END OF AN EDISON TYPE SOCKET, SAID DEVICE COMPRISING A CYLINDRICAL METAL SHELL CONSTITUTING A TERMINAL AND ELECTRICALLY CONNECTED TO THE CONDUCTING WALL OF THE SOCKET AND HAVING A CLOSURE BASE WALL, A FIRST METAL DISC WITHIN AND IN ELECTRICAL CONTACT WITH SAID SHELL ON SAID BASE, A SECOND METAL DISC WITHIN SAID SHELL, INSULATING MEMBERS IN SAID SHELL INSULATING THE SECOND SAID DISC FROM THE FIRST DISC AND FROM THE SHELL, A CAVITY BETWEEN THE FIRST AND SECOND DISCS WITHIN THE SHELL, AN OXIDE METAL COATING ON THE SURFACE OF ONE DISC WITHIN SAID CAVITY, AND AN ELECTRICALLY CONDUCTING MOVABLE MEMBER IN SAID CAVITY TO PROVIDE CONTACT BETWEEN THE SURFACE COATING AND THE SURFACE OF THE UNCOATED DISC, THE SAID SECOND DISC CONSTITUTING A SECOND TERMINAL, THE TOP OF THE SHELL BEING OPEN SO THAT THE UPPER SURFACE OF SAID SECOND DISC PROVIDES A CONTACT FOR THE CENTRE BASE CONTACT OF AN ELECTRIC LAMP WHEN ENGAGED IN THE SOCKET.
Claim 2
Dependent Claim
172 words
A SHUNT DEVICE FOR SERIES-CONNECTED ELECTRIC LAMPS MOUNTED AT THE NORMALLY CLOSED END OF AN EDISON TYPE SOCKET, SAID DEVICE COMPRISING A CYLINDRICAL METAL SHELL CONSTITUTING A TERMINAL AND ELECTRICALLY CONNECTED TO THE CONDUCTING WALL OF THE SOCKET AND HAVING A CLOSURE BASE WALL, A FIRST METAL DISC WITHIN AND IN ELECTRICAL CONTACT WITH SAID SHELL ON SAID BASE, A SECOND METAL DISC WITHIN SAID SHELL, INSULATING MEMBERS IN SAID SHELL INSULATING THE SECOND SAID DISC FROM THE FIRST DISC AND FROM THE SHELL, A CAVITY BETWEEN THE FIRST AND SECOND DISCS WITHIN THE SHELL, AN OXIDE METAL COATING ON THE SURFACE OF ONE DISC WITHIN SAID CAVITY, AND AN ELECTRICALLY CONDUCTING MOVABLE MEMBER IN SAID CAVITY TO PROVIDE CONTACT BETWEEN THE SURFACE COATING AND THE SURFACE OF THE UNCOATED DISC, THE SAID SECOND DISC CONSTITUTING A SECOND TERMINAL, THE TOP OF THE SHELL BEING OPEN SO THAT THE UPPER SURFACE OF SAID SECOND DISC PROVIDES A CONTACT FOR THE CENTRE BASE CONTACT OF AN ELECTRIC LAMP WHEN ENGAGED IN THE SOCKET.
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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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |