Patent US3204159A successfully refreshed from Google Patents.
US3204159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifying majority carrier device
Assignee: Individual
•
Filing: 1960-09-14
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Granted: 1965-08-31
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Expires: 1980-09-14
Abstract
No abstract record available.
Inventors
- 👤 Bramley Jenny
- 👤 Bramley Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:05
CPC Classifications
H; H10; H10N; H10N70/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A HIGH SPEED RESPONSIVE CURRENT CONTROL DEVICE, AN EMITTER CONTACT EXTENDING IN A PLANE, A FIRST INSULATING LAYER HAVING A THICKNESS NOT IN EXCESS OF 100 A. EXTENDING IN ELECTRICAL CONTACT WITH ONE SIDE OF THE EMITTER CONTACT, A METALLIC FILM HAVING A THICKNESS NOT IN EXCESS OF 100 A. IN ELECTRICAL CONTACT WITH THE SIDE OF THE INSULATING LAYER REMOTE FROM THE EMITTER CONTACT, SAID METALLIC FILM COMPRISING A CONTROL GRID TERMINAL, A SECOND INSULATING LAYER HAVING A THICKNESS NOT IN EXCESS OF 100 A. EXTENDING IN ELECTRICAL CONTACT WITH THE SIDE OF THE METALLIC
Claim 2
Dependent Claim
97 words
IN A HIGH SPEED RESPONSIVE CURRENT CONTROL DEVICE, AN EMITTER CONTACT EXTENDING IN A PLANE, A FIRST INSULATING LAYER HAVING A THICKNESS NOT IN EXCESS OF 100 A. EXTENDING IN ELECTRICAL CONTACT WITH ONE SIDE OF THE EMITTER CONTACT, A METALLIC FILM HAVING A THICKNESS NOT IN EXCESS OF 100 A. IN ELECTRICAL CONTACT WITH THE SIDE OF THE INSULATING LAYER REMOTE FROM THE EMITTER CONTACT, SAID METALLIC FILM COMPRISING A CONTROL GRID TERMINAL, A SECOND INSULATING LAYER HAVING A THICKNESS NOT IN EXCESS OF 100 A. EXTENDING IN ELECTRICAL CONTACT WITH THE SIDE OF THE METALLIC
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |