US3087594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically controlled carriage tabulating mechanism
Assignee: Unisys Corp
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Filing: 1961-06-12
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Granted: 1963-04-30
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Seymour
- 👤 James O Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:05
CPC Classifications
B; B41; B41J; B41J21/00; B41J21/12; B41J21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A BUSINESS MACHINE HAVING A MOVABLE CARRIAGE NORMALLY URGED IN THE LETTER SPACE DIRECTION AND A CARRIAGE RELEASE MECHANISM FOR ALLOWING FREE TRAVEL OF SAID CARRIAGE, THE COMBINATION INCLUDING A RACK MOUNTED ON SAID CARRIAGE, AN INTERPOSER SPRING BIASED TO ENGAGE WITH SAID RACK FOR STOPPING SAID CARRIAGE, COCKING MEANS CONTROLLED BY SAID CARRIAGE RELEASE MECHANISM AND INCLUDING A FIXED HOOK MEMBER FOR PLACING SAID INTERPOSER UNDER SPRING BIAS IN A READY POSITION, FIRING CONTROL MEANS FOR RELEASING SAID INTERPOSER FOR SPRING DRIVEN ADVANCE FROM THE READY POSITION TO A POSITION OF ENGAGEMENT WITH SAID RACK, AND A CIRCUIT OPERATING SAID FIRING CONTROL MEANS IN RESPONSE TO CHOSEN AMOUNTS OF TRAVEL OF SAID CARRIAGE.
Claim 2
Dependent Claim
115 words
IN A BUSINESS MACHINE HAVING A MOVABLE CARRIAGE NORMALLY URGED IN THE LETTER SPACE DIRECTION AND A CARRIAGE RELEASE MECHANISM FOR ALLOWING FREE TRAVEL OF SAID CARRIAGE, THE COMBINATION INCLUDING A RACK MOUNTED ON SAID CARRIAGE, AN INTERPOSER SPRING BIASED TO ENGAGE WITH SAID RACK FOR STOPPING SAID CARRIAGE, COCKING MEANS CONTROLLED BY SAID CARRIAGE RELEASE MECHANISM AND INCLUDING A FIXED HOOK MEMBER FOR PLACING SAID INTERPOSER UNDER SPRING BIAS IN A READY POSITION, FIRING CONTROL MEANS FOR RELEASING SAID INTERPOSER FOR SPRING DRIVEN ADVANCE FROM THE READY POSITION TO A POSITION OF ENGAGEMENT WITH SAID RACK, AND A CIRCUIT OPERATING SAID FIRING CONTROL MEANS IN RESPONSE TO CHOSEN AMOUNTS OF TRAVEL OF SAID CARRIAGE.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |