US3522597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Execution plotter
Assignee: International Business Machines Corp
•
Filing: 1965-11-19
•
Granted: 1970-08-04
•
Expires: 1985-11-19
Abstract
No abstract record available.
Inventors
- 👤 Robert W Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:36
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/30; G06F11/32; G06F11/323; G06F11/34; G06F11/3466; G06F11/348; G06F3/00; G06F3/14; G06F3/153; G09; G09G; G09G1/00; G09G1/06; G09G1/08; G09G1/10; G06F11/3409; G06F11/3419; G06F11/3471; G06F2201/00; G06F2201/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3098219A
Cited
US3179883A
Cited
US3248650A
Cited
US3205344A
Cited
US3307169A
Cited
US3355714A
Cited
US3375509A
Cited
US3325802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |