US3154776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual rotating light signal having centrifugal operation of light switches
Assignee: Individual
•
Filing: 1962-09-05
•
Granted: 1964-10-27
•
Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Otten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:49
CPC Classifications
F; F21; F21V; F21V23/00; F21V23/04; A; A63; A63F; A63F9/00; A63F9/24; F21S; F21S9/00; F21S9/02; A63F2009/2448; A63F2009/245; A63F2009/2451; A63F2009/2483; A63F2009/2492; A63F2009/2494; F21W; F21W2107/00; F21W2107/10; F21W2107/13; H; H01; H01H; H01H35/00; H01H35/06; H01H35/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
AN ELECTRO-MECHANICAL DEVICE COMPRISING A HOLLOW TUBE OR CYLINDER, OF AN ELECTRICALLY CONDUCTIVE MATERIAL, FREE TO ROTATE ABOUT ITS AXIS MIDWAY BETWEEN THE TWO ENDS, TWO ELECTRICALLY CONDUCTIVE SPRINGS WITHIN THE TUBE, ONE ON EACH SIDE OF THE AFORESAID AXIS, A PORTION OF EACH SPRING AT ALL TIMES BEING IN CONTACT WITH THE TUBE WALL, TWO ELECTRIC DRY CELL STORAGE BATTERIES WITHIN THE TUBE, THE BOTTOM POLE OF EACH BATTERY AT ALL TIMES BEING IN CONTACT WITH ONE OF THE AFORESAID SPRINGS, TWO ADDITIONAL SPRINGS WITHIN THE TUBE, EACH SPRING BEING DISPOSED AT THE OPPOSITE END OF ONE OF THE BATTERIES IN SUCH A MANNER THAT THE SPRINGS DO NOT AT ANY TIME COME INTO CONTACT WITH THE UPPER POLE OF EITHER BATTERY, TWO LAMP SOCKETS OF A CONDUCTIVE MATERIAL, ONE LAMP SOCKET AT EACH END OF THE TUBE AND IN CONSTANT CONTACT WITH THE TUBE WALL, TWO ELECTRIC LAMPS, ONE IN EACH LAMP SOCKET, THE BOTTOM CONTACT OF THE LAMP EXTENDING THROUGH AND BELOW THE LAMP SOCKET
Claim 2
Dependent Claim
168 words
AN ELECTRO-MECHANICAL DEVICE COMPRISING A HOLLOW TUBE OR CYLINDER, OF AN ELECTRICALLY CONDUCTIVE MATERIAL, FREE TO ROTATE ABOUT ITS AXIS MIDWAY BETWEEN THE TWO ENDS, TWO ELECTRICALLY CONDUCTIVE SPRINGS WITHIN THE TUBE, ONE ON EACH SIDE OF THE AFORESAID AXIS, A PORTION OF EACH SPRING AT ALL TIMES BEING IN CONTACT WITH THE TUBE WALL, TWO ELECTRIC DRY CELL STORAGE BATTERIES WITHIN THE TUBE, THE BOTTOM POLE OF EACH BATTERY AT ALL TIMES BEING IN CONTACT WITH ONE OF THE AFORESAID SPRINGS, TWO ADDITIONAL SPRINGS WITHIN THE TUBE, EACH SPRING BEING DISPOSED AT THE OPPOSITE END OF ONE OF THE BATTERIES IN SUCH A MANNER THAT THE SPRINGS DO NOT AT ANY TIME COME INTO CONTACT WITH THE UPPER POLE OF EITHER BATTERY, TWO LAMP SOCKETS OF A CONDUCTIVE MATERIAL, ONE LAMP SOCKET AT EACH END OF THE TUBE AND IN CONSTANT CONTACT WITH THE TUBE WALL, TWO ELECTRIC LAMPS, ONE IN EACH LAMP SOCKET, THE BOTTOM CONTACT OF THE LAMP EXTENDING THROUGH AND BELOW THE LAMP SOCKET
References Cited (Backward Citations)
US832600A
Cited
US925312A
Cited
FR627239A
Cited
GB277681A
Cited
US2082778A
Cited
GB528000A
Cited
US2611995A
Cited
US2868916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |