Patent US3012351A successfully refreshed from Google Patents.
US3309686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch apparatus
Assignee: Unisys Corp
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Filing: 1965-01-04
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Granted: 1967-03-14
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 John M Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:54
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
APPARATUS FOR USE WITH A SWITCH COMPRISING RECORDING PLAYBACK MEANS HAVING RESPECTIVE TRACKS WITH WORDS FOR AND INDICATIVE OF EACH OF THE QUIESCENT POSITIONS OF SAID SWITCH, PICKUP MEANS RELATIVELY POSITIONABLE SIMULTANEOUSLY WITH SAID SWITCH TO THE TRACK ASSOCIATED WITH THE SETTING OF SAID SWITCH FOR COOPERATING WITH SAID TRACKS TO PRODUCE AUDIBLE INDICATIONS OF THE SETTINGS OF SAID SWITCH, MEANS FOR RELATIVELY POSITIONING THE PICKUP MEANS IN A PARTICULAR DIRECTION ALONG THE TRACK TO WHICH IT IS RELATIVELY POSITIONED, AND MEANS FOR RELATIVELY MOVING SAID PICKUP MEANS AT A PREDETERMINED SPEED ALONG THAT TRACK, WHEREBY AN AUDIBLE INDICATION OF THE SETTING OF THE SWITCH MAY BE PROVIDED.
Claim 2
Dependent Claim
108 words
APPARATUS FOR USE WITH A SWITCH COMPRISING RECORDING PLAYBACK MEANS HAVING RESPECTIVE TRACKS WITH WORDS FOR AND INDICATIVE OF EACH OF THE QUIESCENT POSITIONS OF SAID SWITCH, PICKUP MEANS RELATIVELY POSITIONABLE SIMULTANEOUSLY WITH SAID SWITCH TO THE TRACK ASSOCIATED WITH THE SETTING OF SAID SWITCH FOR COOPERATING WITH SAID TRACKS TO PRODUCE AUDIBLE INDICATIONS OF THE SETTINGS OF SAID SWITCH, MEANS FOR RELATIVELY POSITIONING THE PICKUP MEANS IN A PARTICULAR DIRECTION ALONG THE TRACK TO WHICH IT IS RELATIVELY POSITIONED, AND MEANS FOR RELATIVELY MOVING SAID PICKUP MEANS AT A PREDETERMINED SPEED ALONG THAT TRACK, WHEREBY AN AUDIBLE INDICATION OF THE SETTING OF THE SWITCH MAY BE PROVIDED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |