US3259754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarity indicator
Assignee: Individual
•
Filing: 1962-10-23
•
Granted: 1966-07-05
•
Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Matheson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/14; Y; Y10; Y10S; Y10S320/00; Y10S320/15; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/3938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A METHOD FOR CONNECTING TOGETHER IN PROPER POLARITY FIRST AND SECOND SOURCES OF CURRENT BY FIRST AND SECOND CONDUCTORS EACH HAVING TWO ENDS WITH FIRST AND SECOND CLIPS, AND A RECTIFIER AND ELECTRIC LAMP SERIALLY NECTED ACROSS SAID CONDUCTORS, SAID METHOD COMPRISING ATTACHING FIRST AND SECOND CLIPS OF THE FIRST ENDS OF THE CONDUCTORS TO THE FIRST CURRENT SOURCE TO DETERMINED PROPER POLARITY OF THE CONDUCTORS RELATIVE TO SAID FIRST SOURCE BY ILLUMINATION OF SAID LAMP, DISCONNECTING AT LEAST ONE OF THE CLIPS ON THE FIRST END OF SAID CONDUCTORS, AND DETERMINING THE POLARITY OF SAID CONDUCTORS RELATIVE TO SAID SECOND SOURCE BY CONNECTING SAID FIRST AND SECOND CLIPS OF THE SECOND ENDS OF THE CONDUCTORS ATTACHED TO SAID SECOND SOURCE WITH AT LEAST ONE OF THE CLIPS ON THE FIRST END DISCONNECTED FROM THE FIRST SOURCE.
Claim 2
Dependent Claim
138 words
IN A METHOD FOR CONNECTING TOGETHER IN PROPER POLARITY FIRST AND SECOND SOURCES OF CURRENT BY FIRST AND SECOND CONDUCTORS EACH HAVING TWO ENDS WITH FIRST AND SECOND CLIPS, AND A RECTIFIER AND ELECTRIC LAMP SERIALLY NECTED ACROSS SAID CONDUCTORS, SAID METHOD COMPRISING ATTACHING FIRST AND SECOND CLIPS OF THE FIRST ENDS OF THE CONDUCTORS TO THE FIRST CURRENT SOURCE TO DETERMINED PROPER POLARITY OF THE CONDUCTORS RELATIVE TO SAID FIRST SOURCE BY ILLUMINATION OF SAID LAMP, DISCONNECTING AT LEAST ONE OF THE CLIPS ON THE FIRST END OF SAID CONDUCTORS, AND DETERMINING THE POLARITY OF SAID CONDUCTORS RELATIVE TO SAID SECOND SOURCE BY CONNECTING SAID FIRST AND SECOND CLIPS OF THE SECOND ENDS OF THE CONDUCTORS ATTACHED TO SAID SECOND SOURCE WITH AT LEAST ONE OF THE CLIPS ON THE FIRST END DISCONNECTED FROM THE FIRST SOURCE.
References Cited (Backward Citations)
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Cited
US2286101A
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US2632785A
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US2632793A
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US2928024A
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US2956229A
Cited
US3062998A
Cited
US3051887A
Cited
US3085187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |