Patent US3568327A successfully refreshed from Google Patents.
US3568327A
Expired / Lapsed
US
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Apparatus for drawing composite pictorial patterns
Assignee: Gakken Holdings Co Ltd
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Filing: 1968-11-06
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Granted: 1971-03-09
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Expires: 1988-11-06
Abstract
Abstract AN APPARATUS FOR DRAWING COMPOSITE PICTORIAL PATTERNS IS PROVIDED WITH AN INNER FRAME NOTCHED ALL ALONG ITS PERIPHERY FOR HOLDING A DISK PERFORATED WITH A PROTOTYPE APERTURE OR APERTURES, AN OUTER KEEP FRAME HAVING AN INNER CIRCULAR GUIDE RAIL DISPOSED ON THE INSIDE THEREOF SO AS ROTATABLY TO SET THE INNER FRAME ON SAID GUIDE RAIL, AND MEANS FOR MUTUALLY ENGAGING SAID FRAMES BY INTERLOCKING WITH EACH NOTCH BY TURNS.
Inventors
- 👤 Hideto Furuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:29
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/20; B43L13/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |