US3284083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch actuated multivibrator chance device
Assignee: MARTIN SCHNUR AND MEL APPEL
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Filing: 1964-03-26
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Granted: 1966-11-08
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Morton S Levin
- 👤 James Q Maloy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:27
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/00643; A63F9/00; A63F9/04; A63F9/0468; H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN ENTERTAINMENT DEVICE COMPRISING A FREE RUNNING MULTIVIBRATOR INCLUDING A PAIR OF TRANSISTORS, A SOURCE OF ELECTRIC CURRENT, THE MULTIVIBRATOR NORMALLY OSCILLATING UNDER THE EFFECT OF THE ELECTRIC CURRENT, A PAIR OF INDICATING MEANS EACH RESPONSIVE TO ON-OFF CONDITION OF ONE OF THE TRANSISTORS, THE MULTIVIBRATOR INCLUDING BIASING MEANS, AND INTERROGATION SWITCH MEANS CONNECTED IN THE BIASING MEANS CIRCUIT AND ADAPTED TO BE ACTUATED FOR THE INTERRUPTION THEREOF THEREBY CONVERTING THE FREE RUNNING MULTIVIBRATOR TO A BISTABLE MULTIVIBRATOR, THE INDICATING MEANS SHOWING ONE OR THE OTHER OF THE TRANSISTORS IN THE ON POSITION AT THE MOMENT OF OPENING OF THE SWITCH.
Claim 2
Dependent Claim
101 words
AN ENTERTAINMENT DEVICE COMPRISING A FREE RUNNING MULTIVIBRATOR INCLUDING A PAIR OF TRANSISTORS, A SOURCE OF ELECTRIC CURRENT, THE MULTIVIBRATOR NORMALLY OSCILLATING UNDER THE EFFECT OF THE ELECTRIC CURRENT, A PAIR OF INDICATING MEANS EACH RESPONSIVE TO ON-OFF CONDITION OF ONE OF THE TRANSISTORS, THE MULTIVIBRATOR INCLUDING BIASING MEANS, AND INTERROGATION SWITCH MEANS CONNECTED IN THE BIASING MEANS CIRCUIT AND ADAPTED TO BE ACTUATED FOR THE INTERRUPTION THEREOF THEREBY CONVERTING THE FREE RUNNING MULTIVIBRATOR TO A BISTABLE MULTIVIBRATOR, THE INDICATING MEANS SHOWING ONE OR THE OTHER OF THE TRANSISTORS IN THE ON POSITION AT THE MOMENT OF OPENING OF THE SWITCH.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |