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US2954620A
Expired / Lapsed
US
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Identification means
Assignee: FIRM OF JOHN DICKINSON SCHNEID
•
Filing: 1952-08-21
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Granted: 1960-10-04
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Expires: 1972-08-21
Abstract
No abstract record available.
Inventors
- 👤 Schneider John Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:07
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1298859A
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US1332421A
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US1806142A
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US1905392A
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US1922767A
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US2449181A
Cited
US2561894A
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US2641074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |