Patent US3360259A successfully refreshed from Google Patents.
US3360259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tabulating card feed
Assignee: Datron Systems Inc
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Filing: 1964-09-21
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Granted: 1967-12-26
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:08
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A DEVICE FOR FEEDING IN SEQUENCE A PLURALITY OF TABULATING CARDS FROM A STACK COMPRISING A DRIVE MEANS UNDER THE LOWERMOST CARD OF SAID STACK, THE SURFACE OF SAID DRIVE MEANS IN FRICTIONAL ENGAGEMENT WITH THE LOWERMOST CARD OF SAID STACK, SAID DRIVE MEANS BEING A ROLLER DRIVEN CONTINUOUSLY AND UNIDIRECTIONALLY BY A MOTOR, THROAT PLATE MEANS FORMING AN EMISSION SLOT IN SAID DEVICE THROUGH WHICH THE LOWERMOST CARD IS FRICTIONAL ENGAGEMENT WITH SAID ROLLER CAN BE EMITTED, A PREDETERMINED WEIGHT ADAPTED TO BE PLACED ON THE TOP CARD OF THE STACK, SAID WEIGHT MOVING THE CARD ABOVE SAID LOWERMOST CARD IN SAID STACK INTO ENGAGEMENT WITH SAID ROLLER UPON EMISSION OF THE LOWERMOST CARD, SAID WEIGHT SUBSTANTIALLY COVERING THE TOP CARD OF THE STACK, WITH THE CENTER OF GRAVITY OF THE WEIGHT LOCATED VERTICALLY IN LINE WITH SAID ROLLER, AND FRONT AND REAR SUPPORT MEANS PROVIDED FOR SUPPORTING THE CARD STACK WITH THE ROLLER THEREBETWEEN.
Claim 2
Independent Claim
156 words
A DEVICE FOR FEEDING IN SEQUENCE A PLURALITY OF TABULATING CARDS FROM A STACK COMPRISING A DRIVE MEANS UNDER THE LOWERMOST CARD OF SAID STACK, THE SURFACE OF SAID DRIVE MEANS IN FRICTIONAL ENGAGEMENT WITH THE LOWERMOST CARD OF SAID STACK, SAID DRIVE MEANS BEING A ROLLER DRIVEN CONTINUOUSLY AND UNIDIRECTIONALLY BY A MOTOR, THROAT PLATE MEANS FORMING AN EMISSION SLOT IN SAID DEVICE THROUGH WHICH THE LOWERMOST CARD IS FRICTIONAL ENGAGEMENT WITH SAID ROLLER CAN BE EMITTED, A PREDETERMINED WEIGHT ADAPTED TO BE PLACED ON THE TOP CARD OF THE STACK, SAID WEIGHT MOVING THE CARD ABOVE SAID LOWERMOST CARD IN SAID STACK INTO ENGAGEMENT WITH SAID ROLLER UPON EMISSION OF THE LOWERMOST CARD, SAID WEIGHT SUBSTANTIALLY COVERING THE TOP CARD OF THE STACK, WITH THE CENTER OF GRAVITY OF THE WEIGHT LOCATED VERTICALLY IN LINE WITH SAID ROLLER, AND FRONT AND REAR SUPPORT MEANS PROVIDED FOR SUPPORTING THE CARD STACK WITH THE ROLLER THEREBETWEEN.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |