Patent US3287571A successfully refreshed from Google Patents.
US3287571A
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Solid state a.-c. contact utilizing silicon controlled rectifiers
Assignee: Dickson Electronics Corp
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Filing: 1963-12-18
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Granted: 1966-11-22
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Richard L White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:23
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/722; H03K17/723; Y; Y10; Y10S; Y10S315/00; Y10S315/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SOLID STATE A.-C. CONTACT COMPRSING: (A) A FIRST AND A SECOND INPUT TERMINAL, (B) A FIRST TRANSLATING MEANS HAVING A FIRST ELEMENT COMPRISING AN ANODE, A SECOND ELEMENT COMPRISING A CATHODE, AND A CONTROL ELEMENT, (C) A SECOND TRANSLATING MEANS HAVING A FIRST ELEMENT COMPRISING A CATHODE, A SECOND ELEMENT COMPRISING AN ANODE, AND A CONTROL ELEMENT, (D) MEANS CONNECTING THE ANODE OF SAID FIRST TRANSLATING MEANS AND THE CATHODE OF THE SECOND TRANSLATING MEANS TO SAID FIRST INPUT TERMINAL,
Claim 2
Dependent Claim
81 words
A SOLID STATE A.-C. CONTACT COMPRSING: (A) A FIRST AND A SECOND INPUT TERMINAL, (B) A FIRST TRANSLATING MEANS HAVING A FIRST ELEMENT COMPRISING AN ANODE, A SECOND ELEMENT COMPRISING A CATHODE, AND A CONTROL ELEMENT, (C) A SECOND TRANSLATING MEANS HAVING A FIRST ELEMENT COMPRISING A CATHODE, A SECOND ELEMENT COMPRISING AN ANODE, AND A CONTROL ELEMENT, (D) MEANS CONNECTING THE ANODE OF SAID FIRST TRANSLATING MEANS AND THE CATHODE OF THE SECOND TRANSLATING MEANS TO SAID FIRST INPUT TERMINAL,
References Cited (Backward Citations)
US3184670A
Cited
US3210571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |