US3305873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphic recorder
Assignee: BENSON FRANCE
•
Filing: 1964-11-02
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Granted: 1967-02-21
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Mourier Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:16
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/48; B; B41; B41J; B41J29/00; B43; B43L; B43L13/00; G; G01; G01D; G01D15/00; G01D15/24; G01D15/28; G01D9/00; G01D9/38; G06; G06F; G06F3/00; G06F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN INSTRUMENT FOR RECORDING INFORMATION COMPRISING: A PAIR OF SPOOLS WITH FLEXIBLE SHEET MATERIAL EXTENDING THEREBETWEEN, AN INFORMATION TRANSFERRING HEAD, MEANS FOR DISPLACING SAID HEAD TRANSVERSELY ACROSS THE FLEXIBLE MATERIAL DURING TRANSFERRING OF INFORMATION, A DRIVING MEANS CONTACTING THE FLEXIBLE MATERIAL BETWEEN SAID PAIR OF SPOOLS, SAID DRIVING MEANS INCLUDING A CONTROL SPINDLE BEING LOW ROTATIONAL INERTIA AND HAVING A MINIMUM DIAMETER COMPATIBLE WITH THE FLEXIBILITY OF SAID FLEXIBLE MATERIAL, AND AIR PRESSURE MEANS TO HOLD SAID FLEXIBLE MATERIAL AGAINST A PORTION OF THE SURFACE OF SAID CONTROL SPINDLE AND APPLIED BETWEEN SAID CONTROL SPINDLE AND EACH OF SAID PAIR OF SPOOLS FORMING LOOPS THEREBETWEEN AND ISOLATING SAID CONTROL SPINDLE FROM THE INERTIAL ACTION OF SAID SPOOLS, WHEREBY SAID CONTROL SPINDLE AND SAID AIR PRESSURE MEANS POSITIVELY CONTROL MOVEMENT OF SAID FLEXIBLE MATERIAL BETWEEN SAID SPOOLS.
Claim 2
Dependent Claim
137 words
IN AN INSTRUMENT FOR RECORDING INFORMATION COMPRISING: A PAIR OF SPOOLS WITH FLEXIBLE SHEET MATERIAL EXTENDING THEREBETWEEN, AN INFORMATION TRANSFERRING HEAD, MEANS FOR DISPLACING SAID HEAD TRANSVERSELY ACROSS THE FLEXIBLE MATERIAL DURING TRANSFERRING OF INFORMATION, A DRIVING MEANS CONTACTING THE FLEXIBLE MATERIAL BETWEEN SAID PAIR OF SPOOLS, SAID DRIVING MEANS INCLUDING A CONTROL SPINDLE BEING LOW ROTATIONAL INERTIA AND HAVING A MINIMUM DIAMETER COMPATIBLE WITH THE FLEXIBILITY OF SAID FLEXIBLE MATERIAL, AND AIR PRESSURE MEANS TO HOLD SAID FLEXIBLE MATERIAL AGAINST A PORTION OF THE SURFACE OF SAID CONTROL SPINDLE AND APPLIED BETWEEN SAID CONTROL SPINDLE AND EACH OF SAID PAIR OF SPOOLS FORMING LOOPS THEREBETWEEN AND ISOLATING SAID CONTROL SPINDLE FROM THE INERTIAL ACTION OF SAID SPOOLS, WHEREBY SAID CONTROL SPINDLE AND SAID AIR PRESSURE MEANS POSITIVELY CONTROL MOVEMENT OF SAID FLEXIBLE MATERIAL BETWEEN SAID SPOOLS.
References Cited (Backward Citations)
US2690951A
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US2764464A
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FR1133810A
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US3051406A
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US3261563A
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GB970810A
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US3203635A
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US3251563A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |