US3191008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tabulating card position sensing device
Assignee: Unisys Corp
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Filing: 1962-04-11
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Granted: 1965-06-22
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Expires: 1982-04-11
Abstract
No abstract record available.
Inventors
- 👤 Walter G Wadey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:14
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/001; G; G06; G06K; G06K13/00; G06K13/02; G06K13/06; G06K13/067; G06K7/00; G06K7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A RECORD POSITION SENSING MECHANISM COMPRISING A SUPPORT ADAPTED TO SUPPORT AND GUIDE SAID RECORD WHILE TRAVELING THEREON, SAID SUPPORT INCLUDING AT LEAST ONE APERTURE, SAID APERTURE BEING DISPOSED IN THE PATH OF TRAVEL OF SAID RECORD, A FLUID AMPLIFIER HAVING AN INPUT CHANNEL, FIRST AND SECOND OUTPUT CHANNELS, A SOURCE OF POWER FLUID CONNECTED TO SAID INPUT CHANNEL NORMALLY DIRECTING A POWER STREAM THROUGH SAID FIRST OUTPUT CHANNEL, MEANS CONNECTED BETWEEN SAID APERTURE AND SAID FLUID AMPLIFIER RESPONSIVE TO SAID RECORD COVERING SAID APERTURE TO SWITCH SAID POWER STREAM FROM SAID FIRST TO SAID SECOND OUTPUT CHANNEL.
Claim 2
Dependent Claim
98 words
A RECORD POSITION SENSING MECHANISM COMPRISING A SUPPORT ADAPTED TO SUPPORT AND GUIDE SAID RECORD WHILE TRAVELING THEREON, SAID SUPPORT INCLUDING AT LEAST ONE APERTURE, SAID APERTURE BEING DISPOSED IN THE PATH OF TRAVEL OF SAID RECORD, A FLUID AMPLIFIER HAVING AN INPUT CHANNEL, FIRST AND SECOND OUTPUT CHANNELS, A SOURCE OF POWER FLUID CONNECTED TO SAID INPUT CHANNEL NORMALLY DIRECTING A POWER STREAM THROUGH SAID FIRST OUTPUT CHANNEL, MEANS CONNECTED BETWEEN SAID APERTURE AND SAID FLUID AMPLIFIER RESPONSIVE TO SAID RECORD COVERING SAID APERTURE TO SWITCH SAID POWER STREAM FROM SAID FIRST TO SAID SECOND OUTPUT CHANNEL.
References Cited (Backward Citations)
US2563290A
Cited
US2900130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |