US3158673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instantaneous multiple plotter and visual readout device
Assignee: Individual
•
Filing: 1961-03-10
•
Granted: 1964-11-24
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:32
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/09; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G11; G11C; G11C13/00; G11C13/04; G11C13/06; G09G2300/00; G09G2300/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |