US3106647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bistable semiconductor circuit responsive to sensing device
Assignee: International Resistance Co
•
Filing: 1960-02-19
•
Granted: 1963-10-08
•
Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Donald M Danko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:46
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A BISTABLE CIRCUIT COMPRISING: A FIRST TRANSISTOR HAVING A CONDUCTIVE STATE AND A NON-CONDUCTIVE STATE; A SECOND TRANSISTOR HAVING A CONDUCTIVE STATE AND A NON-CONDUCTIVE STATE AND COUPLED TO SAID FIRST TRANSISTOR SO AS TO BE IN SAID NON-CONDUCTIVE STATE WHEN SAID FIRST TRANSISTOR IS IN ITS CONDUCTIVE STATE; A COLLECTOR RESISTOR FOR SAID SECOND TRANSISTOR; MEANS FOR BIASING SAID FIRST TRANSISTOR THROUGH A PORTION OF SAID COLLECTOR RESISTOR SO THAT SAID FIRST TRANSISTOR
Claim 2
Dependent Claim
74 words
A BISTABLE CIRCUIT COMPRISING: A FIRST TRANSISTOR HAVING A CONDUCTIVE STATE AND A NON-CONDUCTIVE STATE; A SECOND TRANSISTOR HAVING A CONDUCTIVE STATE AND A NON-CONDUCTIVE STATE AND COUPLED TO SAID FIRST TRANSISTOR SO AS TO BE IN SAID NON-CONDUCTIVE STATE WHEN SAID FIRST TRANSISTOR IS IN ITS CONDUCTIVE STATE; A COLLECTOR RESISTOR FOR SAID SECOND TRANSISTOR; MEANS FOR BIASING SAID FIRST TRANSISTOR THROUGH A PORTION OF SAID COLLECTOR RESISTOR SO THAT SAID FIRST TRANSISTOR
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |