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Patent US2863239A successfully refreshed from Google Patents.
US2863239A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1954-10-11
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Granted: 1958-12-09
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Expires: 1974-10-11
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Glukes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:19
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1276494A
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US1348957A
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US1342247A
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US1357783A
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US1481607A
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US1737092A
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US2106699A
Cited
US2300447A
Cited
US2345998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |