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Patent US2981858A successfully refreshed from Google Patents.
US2981858A
Expired / Lapsed
US
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Electroluminescent decals
Assignee: International Business Machines Corp
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Filing: 1959-07-21
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Granted: 1961-04-25
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Expires: 1979-07-21
Abstract
No abstract record available.
Inventors
- 👤 James A O'connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:25
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/20; C; C09; C09J; C09J7/00; C09J7/30; C09J7/38; C09J9/00; G; G09; G09F; G09F13/00; G09F13/20; G09F13/22; C08; C08K; C08K3/00; C08K3/02; C08K3/30; C09J2301/00; C09J2301/40; C09J2301/408
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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |