US3428830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Start-stop logical switching system
Assignee: Unisys Corp
•
Filing: 1965-01-25
•
Granted: 1969-02-18
•
Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 John C Mcevoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:59
CPC Classifications
B; B07; B07C; B07C3/00; B07C3/02; B07C3/06; G; G06; G06K; G06K13/00; G06K13/02; G06K13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PUSH-PUSH START-STOP SWITCHING SYSTEM FOR CONTROLLING AN ELECTRIC CIRCUIT IN AN APPARATUS AS A FUNCTION OF THE OPERATING OFF-ON STATE OF THE APPARATUS COMPRISING: AN ELONGATED MOVABLY SUPPORTED ACTUATING MEMBER, A PLURALITY OF FUNCTIONALLY INTERRELATED SWITCHING MEANS RESPONSIVE TO THE MOVEMENT OF SAID ACTUATING MEMBER IN A PREDETERMINED DIRECTION, BISTABLE CONTROL MEANS RESPONSIVE TO THE ACTUATION OF AT LEAST ONE OF SAID SWITCHING MEANS FOR GENERATING A SINGLE OUTPUT PULSE, AND LOGICAL GATING MEANS RESPONSOVE TO THE OFF-ON STATE OF THE APPARATUS AND SAID OUTPUT PULSE FROM SAID CONTROL MEANS FOR INITIATING THE REVERSAL OF THE OFF-ON STATE OF THE APPARATUS.
Claim 2
Dependent Claim
102 words
A PUSH-PUSH START-STOP SWITCHING SYSTEM FOR CONTROLLING AN ELECTRIC CIRCUIT IN AN APPARATUS AS A FUNCTION OF THE OPERATING OFF-ON STATE OF THE APPARATUS COMPRISING: AN ELONGATED MOVABLY SUPPORTED ACTUATING MEMBER, A PLURALITY OF FUNCTIONALLY INTERRELATED SWITCHING MEANS RESPONSIVE TO THE MOVEMENT OF SAID ACTUATING MEMBER IN A PREDETERMINED DIRECTION, BISTABLE CONTROL MEANS RESPONSIVE TO THE ACTUATION OF AT LEAST ONE OF SAID SWITCHING MEANS FOR GENERATING A SINGLE OUTPUT PULSE, AND LOGICAL GATING MEANS RESPONSOVE TO THE OFF-ON STATE OF THE APPARATUS AND SAID OUTPUT PULSE FROM SAID CONTROL MEANS FOR INITIATING THE REVERSAL OF THE OFF-ON STATE OF THE APPARATUS.
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |