Patent US3525855A successfully refreshed from Google Patents.
US3525855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reading out information punched into tapes or cards
Assignee: KDDI Corp
•
Filing: 1966-02-07
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Granted: 1970-08-25
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Nobuhiro Azuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:27
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2265462A
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US2322773A
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US2357490A
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US2562179A
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US2935923A
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US2843319A
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US3024983A
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US3233081A
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US3200240A
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US3350546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |