Patent US3187201A successfully refreshed from Google Patents.
US3187201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-shot latch
Assignee: Beckman Coulter Inc
•
Filing: 1962-05-18
•
Granted: 1965-06-01
•
Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Robert E Eastman
- 👤 John R Kolden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:56
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A LATCH FOR PROVIDING OUTPUT SIGNALS IN RESPONSE TO PREDETERMINED INPUT SIGNALS COMPRISING A FIRST TRANSISTOR FOR RECEIVING SAID INPUT SIGNALS, A SECOND TRANSISTOR CONNECTED WITH SAID FIRST TRANSISTOR, A CAPACITOR, AN IMPEDANCE NETWORK, A CURRENT SOURCE, SAID CAPACITOR, IMPEDANCE NETWORK AND CURRENT SOURCE BEING CONNECTED IN SERIES WITH SAID SECOND TRANSISTOR, AN OUTPUT TERMINAL CONNECTED TO THE JUNCTION OF SAID SECOND TRANSISTOR AND SAID CAPACITOR, A THIRD TRANSISTOR CONNECTED WITH SAID FIRST TRANSISTOR TO MAINTAIN SAID FIRST TRANSISTOR IN A STATE OF CONDUCTION OR NONCONDUCTION,
References Cited (Backward Citations)
US3053996A
Cited
US3014138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |