US3524970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically controlled calculating apparatus
Assignee: Wang Laboratories Inc
•
Filing: 1968-08-21
•
Granted: 1970-08-18
•
Expires: 1988-08-21
Abstract
No abstract record available.
Inventors
- 👤 An Wang Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
G; G11; G11C; G11C17/00; G06; G06F; G06F15/00; G06F15/02; G06F15/04; G06F3/00; G06F3/06; G06F3/08; G06F7/00; G06F7/38; G06F7/48; G06F7/544; G06F7/556; G06F9/00; G06F9/06; G06F9/44; G06F9/448; G06F9/4482; G06F9/4484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2878872A
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US3000555A
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US3017082A
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US2971693A
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US3197618A
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US3024989A
Cited
US3158419A
Cited
US3335407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |