US3531685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas discharge storage and display matrix
Assignee: Unisys Corp
•
Filing: 1967-09-29
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Granted: 1970-09-29
•
Expires: 1987-09-29
Abstract
No abstract record available.
Inventors
- 👤 George E Holz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
H; H01; H01J; H01J11/00; H01J11/10; H01J11/12; G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/28; G09G3/288; G09G3/296; G11; G11C; G11C11/00; G11C11/21; G11C11/26; G11C11/28; G09G3/297
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2624858A
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US2923853A
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US2933648A
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US2847615A
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US3198980A
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US3042823A
Cited
US3157824A
Cited
US3356898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |