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US2930154A
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Assignee: Individual
•
Filing: 1958-05-15
•
Granted: 1960-03-29
•
Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 Louis W Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:22
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/08; G09F3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1379491A
Cited
US1921814A
Cited
US2035789A
Cited
US2618086A
Cited
US2722960A
Cited
US2818665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |