US3103595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complementary transistor bistable circuit
Assignee: —
•
Filing: 1955-09-26
•
Granted: 1963-09-10
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:52
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K19/00; H03K19/02; H03K19/08; H03K19/082
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A MULTIVIBRATOR COMPRISING A PNP TRANSISTOR AND AN NPN TRANSISTOR EACH HAVING EMITTER, BASE AND COLLECTOR; A SOURCE OF DIRECT-CURRENT POTENTIAL; MEANS FOR CONNECTING SAID SOURCE TO BIAS THE EMITTER OF SAID PNP TRANSISTOR POSITIVE RELATIVE TO ITS BASE; MEANS FOR CONNECTING SAID SOURCE TO BIAS THE EMITTER OF SAID NPN TRANSISTOR
References Cited (Backward Citations)
US2569345A
Cited
US2744198A
Cited
US2655609A
Cited
US2641717A
Cited
US2663800A
Cited
US2788449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |