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US3544833A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1967-06-22
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Granted: 1970-12-01
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Expires: 1987-06-22
Abstract
No abstract record available.
Inventors
- 👤 Takeo Miura
- 👤 Junzo Iwata
- 👤 Junji Tsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:46
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; G06G7/22
Claims Analysis
Total Claims: 0
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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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |