Patent US2415718A successfully refreshed from Google Patents.
US2415718A
Expired / Lapsed
US
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Telescript communication system
Assignee: Stromberg Carlson Corp
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Filing: 1944-06-22
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Granted: 1947-02-11
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Expires: 1964-06-22
Abstract
No abstract record available.
Inventors
- 👤 Edward S Wilson
- 👤 William K Schnepf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:49
CPC Classifications
G; G08; G08C; G08C21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189619593A
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US745692A
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US883798A
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US1901673A
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GB460033A
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US2186252A
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US2274638A
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US2322653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |