US3268843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric induction apparatus for use in railway signal systems
Assignee: Westinghouse Air Brake Co
•
Filing: 1964-07-14
•
Granted: 1966-08-23
•
Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Popp Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:02
CPC Classifications
H; H01; H01F; H01F30/00; H01F30/06; H01F30/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
ELECTRIC INDUCTION APPARATUS COMPRISING, A FIRST GENERALLY U-SHAPED STRAP CONDUCTOR, A SECOND GENERALLY USHAPED STRAP CONDUCTOR POSITIONED IN ADJOINING RELATIONSHIP WITHIN AND BEING INSULATED FROM SAID FIRST STRAP CONDUCTOR, TERMINAL MEANS ON ONE END OF EACH OF SAID FIRST AND SAID SECOND STRAP CONDUCTORS FOR CONNECTING THE TOGETHER TO FORM A TWO-TURN WINDING, TERMINAL MEANS ON THE OTHER END OF EACH STRAP CONDUCTORS FOR CONNECTION TO AN EXTERNAL CIRCUIT, GENERALLY THREE-LEGGED MAGNETIC CORE MEANS HAVING TWO WINDOWS THEREIN, AN ADJOINED PAIR OF LEGS OF SAID STRAP CONDUCTORS EXTENDING THROUGH EACH OF SAID WINDOWS, AND OTHER WINDING MEANS ON THE OUTER LEGS OF SAID CORE MEANS.
Claim 2
Dependent Claim
105 words
ELECTRIC INDUCTION APPARATUS COMPRISING, A FIRST GENERALLY U-SHAPED STRAP CONDUCTOR, A SECOND GENERALLY USHAPED STRAP CONDUCTOR POSITIONED IN ADJOINING RELATIONSHIP WITHIN AND BEING INSULATED FROM SAID FIRST STRAP CONDUCTOR, TERMINAL MEANS ON ONE END OF EACH OF SAID FIRST AND SAID SECOND STRAP CONDUCTORS FOR CONNECTING THE TOGETHER TO FORM A TWO-TURN WINDING, TERMINAL MEANS ON THE OTHER END OF EACH STRAP CONDUCTORS FOR CONNECTION TO AN EXTERNAL CIRCUIT, GENERALLY THREE-LEGGED MAGNETIC CORE MEANS HAVING TWO WINDOWS THEREIN, AN ADJOINED PAIR OF LEGS OF SAID STRAP CONDUCTORS EXTENDING THROUGH EACH OF SAID WINDOWS, AND OTHER WINDING MEANS ON THE OUTER LEGS OF SAID CORE MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |