US3499167A
Expired / Lapsed
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Gas discharge display memory device and method of operating
Assignee: OI Glass Inc
•
Filing: 1967-11-24
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Granted: 1970-03-03
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Expires: 1987-11-24
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Baker
- 👤 Wolfgang W Bode
- 👤 Richard G Mathias
- 👤 James F Nolan
- 👤 Lawrence V Pfaender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:45
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/28; G09G3/288; G09G3/291; G09G3/294; G09G3/297; G11; G11C; G11C11/00; G11C11/21; G11C11/26; G11C11/28; G09G2320/00; G09G2320/04; G09G2320/041
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |