Patent US2852767A successfully refreshed from Google Patents.
US2852767A
Expired / Lapsed
US
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Information dissemination system
Assignee: Individual
•
Filing: 1953-06-11
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Granted: 1958-09-16
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Expires: 1973-06-11
Abstract
No abstract record available.
Inventors
- 👤 James A C Foller
- 👤 John E Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:51
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/42; H04M3/487; H04M3/4872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306593A
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US1055929A
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US1414686A
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US1498544A
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US1466448A
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US2190543A
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US2471150A
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US2456226A
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US2455209A
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US2455210A
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US2727222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |