US2563159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card holder
Assignee: Individual
•
Filing: 1947-01-11
•
Granted: 1951-08-07
•
Expires: 1967-01-11
Abstract
No abstract record available.
Inventors
- 👤 Clark Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:22
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1410402A
Cited
GB189908805A
Cited
GB190125084A
Cited
US1123151A
Cited
US1058882A
Cited
US1738892A
Cited
US1954696A
Cited
US2143343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |