US3153736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanically operable electric impulse generator
Assignee: SCHWEIZ WAGONS AUFZUEGEFAB
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Filing: 1961-01-30
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Granted: 1964-10-20
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Etter Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:37
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; H02; H02K; H02K39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A CONTACTLESS INDUCTIVE GENERATOR COMPRISING A STATIONARY POLE SHOE OF MAGNETICALLY CONDUCTIVE MATERIAL, SAID FIRST STATIONARY POLE SHOE HAVING FIRST AND SECOND LEGS, AN INDUCTANCE COIL DEVELOPED ABOUT SAID FIRST LEG, A PERMANENT MAGNET HAVING OPPOSITELY POLARIZED FIRST AND SECOND POLES, MEANS FOR MAINTAINING THE SECOND LEG OF SAID STATIONARY POLE SHOE FIXEDLY IN CONTACT WITH THE FIRST POLE OF SAID PERMANENT MAGNET, A MOVABLE POLE SHOE OF MAGNETICALLY CONDUCTIVE MATERIAL, SAID MOVABLE POLE SHOE HAVING A LEG AND A RESILIENT TONGUE, MEANS FOR MAINTAINING THE LEG OF SAID MOVABLE POLE SHOE FIXEDLY IN CONTACT WITH THE SECOND POLE OF SAID PERMANENT MAGNET, SAID RESILIENT TONGUE HAVING ONE END INTEGRAL WITH THE LEG OF SAID MOVABLE POLE SHOE AND A FREE END DISPOSED OPPOSITE THE END OF SAID FIRST LEG OF SAID STATIONARY POLE SHOE AND NORMALLY ATTRACTED TO CONTACT SAID END OF SAID FIRST LEG BY THE MAGNETIC FLUX ESTABLISHED BY SAID PERMANENT MAGNET IN THE CIRCUIT INCLUDING SAID PERMANENT MAGNET, SAID STATIONARY POLE SHOE AND SAID MOVABLE POLE SHOE, AND AN ACTUATABLE HANDLE HAVING ONE END IN CONTACT WITH THE RESILIENT TONGUE OF SAID MOVABLE POLE SHOE
Claim 2
Dependent Claim
189 words
A CONTACTLESS INDUCTIVE GENERATOR COMPRISING A STATIONARY POLE SHOE OF MAGNETICALLY CONDUCTIVE MATERIAL, SAID FIRST STATIONARY POLE SHOE HAVING FIRST AND SECOND LEGS, AN INDUCTANCE COIL DEVELOPED ABOUT SAID FIRST LEG, A PERMANENT MAGNET HAVING OPPOSITELY POLARIZED FIRST AND SECOND POLES, MEANS FOR MAINTAINING THE SECOND LEG OF SAID STATIONARY POLE SHOE FIXEDLY IN CONTACT WITH THE FIRST POLE OF SAID PERMANENT MAGNET, A MOVABLE POLE SHOE OF MAGNETICALLY CONDUCTIVE MATERIAL, SAID MOVABLE POLE SHOE HAVING A LEG AND A RESILIENT TONGUE, MEANS FOR MAINTAINING THE LEG OF SAID MOVABLE POLE SHOE FIXEDLY IN CONTACT WITH THE SECOND POLE OF SAID PERMANENT MAGNET, SAID RESILIENT TONGUE HAVING ONE END INTEGRAL WITH THE LEG OF SAID MOVABLE POLE SHOE AND A FREE END DISPOSED OPPOSITE THE END OF SAID FIRST LEG OF SAID STATIONARY POLE SHOE AND NORMALLY ATTRACTED TO CONTACT SAID END OF SAID FIRST LEG BY THE MAGNETIC FLUX ESTABLISHED BY SAID PERMANENT MAGNET IN THE CIRCUIT INCLUDING SAID PERMANENT MAGNET, SAID STATIONARY POLE SHOE AND SAID MOVABLE POLE SHOE, AND AN ACTUATABLE HANDLE HAVING ONE END IN CONTACT WITH THE RESILIENT TONGUE OF SAID MOVABLE POLE SHOE
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |