Patent US3018568A successfully refreshed from Google Patents.
US3018568A
Expired / Lapsed
US
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Electronic plastic block arrangement
Assignee: Electronic Aids Inc
•
Filing: 1957-11-12
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Granted: 1962-01-30
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Tischler Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:28
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/18; G09B23/183; G09B23/185; H; H05; H05K; H05K1/00; H05K1/02; H05K1/0266; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/0108; H05K2201/09; H05K2201/09818; H05K2201/09936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1968039A
Cited
US2390706A
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US2777193A
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US2788470A
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US2754486A
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US2862992A
Cited
US2882618A
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US2836772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |