US3176241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic switching device
Assignee: Individual
•
Filing: 1961-04-07
•
Granted: 1965-03-30
•
Expires: 1981-04-07
Abstract
No abstract record available.
Inventors
- 👤 Jimmie S Hogan
- 👤 Robert L Hogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:58
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/965; H03K17/97
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A DEVICE FOR SWITCHING ELECTRICITY COMPRISING: (A) MEANS FOR SELECTIVELY ENERGIZING A FIRST MAGNETIC STRUCTURE WITH A MAGNETIC FLUX; (B) PICKUP MEANS, MAGNETICALLY COUPLED WITH SAID STRUCTURE TO RECEIVE AN INDUCED CURRENT FROM SAID MAGNETIC FLUX, COUPLED WITH SAID FIRST NAMED MEANS TO SUSTAIN A STATE OF SELF-REGENERATIVE MAGNETIC OSCILLATIONS IN SAID FIRST STRUCTURE BY CONTROLLING SAID FIRST NAMED MEANS IN A RELATIONSHIP TO THE POLARITY OF SAID INDUCED CURRENT; (C) A SECOND MAGNETIC STRUCTURE ATTACHED TO SAID FIRST MAGNETIC STRUCTURE; (D) SHIELDING MEANS TO SHIELD SAID SECOND STRUCTURE FROM SAID MAGNETIC FLUX IN SAID FIRST STRUCTURE BY PROVIDING A PREFERRED MAGNETIC PATH; (E) A CIRCUIT HAVING WINDINGS MAGNETICALLY COUPLED TO SAID SECOND STRUCTURE TO RECEIVE AN INDUCED CURRENT FROM MAGNETIC FLUX IN SAID SECOND STRUCTURE AND OPERATIVELY COUPLED WITH A SEMI-CONDUCTOR TO CONTROL THE CONDUCTIVITY OF SAID SEMI-CONDUCTOR IN A RELATIONSHIP WITH THE POLARITY OF SAID CURRENT INDUCED IN SAID WINDINGS; (F) AND MAGNETIC CONVEYING MEANS, SUITABLY MOUNTED FOR MOVEMENT RELATIVE TO SAID SECOND STRUCTURE, HAV-
Claim 2
Independent Claim
167 words
A DEVICE FOR SWITCHING ELECTRICITY COMPRISING: (A) MEANS FOR SELECTIVELY ENERGIZING A FIRST MAGNETIC STRUCTURE WITH A MAGNETIC FLUX; (B) PICKUP MEANS, MAGNETICALLY COUPLED WITH SAID STRUCTURE TO RECEIVE AN INDUCED CURRENT FROM SAID MAGNETIC FLUX, COUPLED WITH SAID FIRST NAMED MEANS TO SUSTAIN A STATE OF SELF-REGENERATIVE MAGNETIC OSCILLATIONS IN SAID FIRST STRUCTURE BY CONTROLLING SAID FIRST NAMED MEANS IN A RELATIONSHIP TO THE POLARITY OF SAID INDUCED CURRENT; (C) A SECOND MAGNETIC STRUCTURE ATTACHED TO SAID FIRST MAGNETIC STRUCTURE; (D) SHIELDING MEANS TO SHIELD SAID SECOND STRUCTURE FROM SAID MAGNETIC FLUX IN SAID FIRST STRUCTURE BY PROVIDING A PREFERRED MAGNETIC PATH; (E) A CIRCUIT HAVING WINDINGS MAGNETICALLY COUPLED TO SAID SECOND STRUCTURE TO RECEIVE AN INDUCED CURRENT FROM MAGNETIC FLUX IN SAID SECOND STRUCTURE AND OPERATIVELY COUPLED WITH A SEMI-CONDUCTOR TO CONTROL THE CONDUCTIVITY OF SAID SEMI-CONDUCTOR IN A RELATIONSHIP WITH THE POLARITY OF SAID CURRENT INDUCED IN SAID WINDINGS; (F) AND MAGNETIC CONVEYING MEANS, SUITABLY MOUNTED FOR MOVEMENT RELATIVE TO SAID SECOND STRUCTURE, HAV-
References Cited (Backward Citations)
US2401175A
Cited
US1227844A
Cited
US1716553A
Cited
US2210412A
Cited
US2590091A
Cited
US2563899A
Cited
US2552722A
Cited
US2641697A
Cited
US2930034A
Cited
US2967278A
Cited
US2934639A
Cited
US2992369A
Cited
US2905874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |