US3149835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Document sensing device
Assignee: Unisys Corp
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Filing: 1962-10-11
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Granted: 1964-09-22
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Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Branscome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:58
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
DOCUMENT HANDLING MEANS COMPRISING A DOCUMENT FEED TABLE, DOCUMENT ADVANCING MEANS SUPPORTED UPON SAID FEED TABLE, MOVABLE DOCUMENT FORCE SENSING MEANS POSITIONED ADJACENT THE DISCHARGE AREA OF SAID FEED TABLE AND IN CONTINUOUS ENGAGEMENT WITH DOCUMENTS ON SAID FEED TABLE, INDUCTIVE MEANS, MEANS CONNECTED TO SAID DOCUMENT FORCE SENSING MEANS FOR ELECTRICALLY COUPLING SAID INDUCTIVE MEANS IN SUCH A MANNER THAT SAID MEANS FORMS A PORTION OF THE MAGNETIC CIRCUIT OF SAID INDUCTIVE MEANS, AND MEANS COUPLING THE ELECTRICAL OUTPUT OF SAID INDUCTIVE MEANS TO ACTUATE SAID DOCUMENT ADVANCING MEANS.
Claim 2
Dependent Claim
90 words
DOCUMENT HANDLING MEANS COMPRISING A DOCUMENT FEED TABLE, DOCUMENT ADVANCING MEANS SUPPORTED UPON SAID FEED TABLE, MOVABLE DOCUMENT FORCE SENSING MEANS POSITIONED ADJACENT THE DISCHARGE AREA OF SAID FEED TABLE AND IN CONTINUOUS ENGAGEMENT WITH DOCUMENTS ON SAID FEED TABLE, INDUCTIVE MEANS, MEANS CONNECTED TO SAID DOCUMENT FORCE SENSING MEANS FOR ELECTRICALLY COUPLING SAID INDUCTIVE MEANS IN SUCH A MANNER THAT SAID MEANS FORMS A PORTION OF THE MAGNETIC CIRCUIT OF SAID INDUCTIVE MEANS, AND MEANS COUPLING THE ELECTRICAL OUTPUT OF SAID INDUCTIVE MEANS TO ACTUATE SAID DOCUMENT ADVANCING MEANS.
References Cited (Backward Citations)
US2970835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |