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US3513329A
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Assignee: Sharp Corp
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Filing: 1967-08-21
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Granted: 1970-05-19
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Expires: 1987-08-21
Abstract
No abstract record available.
Inventors
- 👤 Isamu Washizuka
- 👤 Hitoshi Hanahara
- 👤 Kunio Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:19
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/40; H03K23/42; H03K23/44; G; G11; G11C; G11C19/00; G11C19/18; G11C19/182; G11C19/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3079513A
Cited
US3109990A
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US3258696A
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US3294984A
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US3395292A
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US3322974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |