US3430212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reading and printing stored information by light
Assignee: International Business Machines Corp
•
Filing: 1964-05-25
•
Granted: 1969-02-25
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Erhard Max
- 👤 Glenn T Sincerbox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:33
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11; G02; G02F; G02F1/00; G02F1/29; G11; G11C; G11C13/00; G11C13/04; G11C17/00; G11C17/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3182574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |