US2982951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for converting signals symbolizing information in one system of representation to signals symbolizing the same information in another system of representation
Assignee: Individual
•
Filing: 1955-03-30
•
Granted: 1961-05-02
•
Expires: 1975-03-30
Abstract
No abstract record available.
Inventors
- 👤 Dirks Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2807005A
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US2603705A
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US2458030A
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US2643291A
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US2620395A
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US2762862A
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US2787416A
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US2777745A
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US2679035A
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US2766444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |