US3511974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically controlled calculating apparatus
Assignee: Wang Laboratories Inc
•
Filing: 1966-03-22
•
Granted: 1970-05-12
•
Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 An Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:00
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F15/00; G06F15/02; G06F3/00; G06F3/06; G06F3/08; G06F7/544; G06F7/556; G06F9/00; G06F9/06; G06F9/30; G06F9/30003; G06F9/30007; G06F9/3001; G06F9/44; G06F9/448; G06F9/4482; G06F9/4484; G11; G11C; G11C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2878872A
Cited
US3000555A
Cited
US3017082A
Cited
US2971693A
Cited
US3197618A
Cited
US3158419A
Cited
US3335407A
Cited
US3402215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |