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Patent US3530606A successfully refreshed from Google Patents.
US3530606A
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Large scale fluidic character display
Assignee: Pitney Bowes Inc
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Filing: 1968-10-28
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Granted: 1970-09-29
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Expires: 1988-10-28
Abstract
No abstract record available.
Inventors
- 👤 Robert F O'keefe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:30
CPC Classifications
G; G09; G09F; G09F9/00; G09F9/30; G09F9/37; G09F9/377; F; F15; F15C; F15C1/00; F15C1/007
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) | 1973-09-28 | 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 |