US2924895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Statistical devices and methods of providing same
Assignee: Individual
•
Filing: 1957-04-01
•
Granted: 1960-02-16
•
Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Bachi Roberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:09
CPC Classifications
G; G09; G09B; G09B29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1539868A
Cited
US1554466A
Cited
US1788715A
Cited
US1960813A
Cited
US1977667A
Cited
US2011517A
Cited
US2267672A
Cited
GB550279A
Cited
FR979017A
Cited
US2816373A
Cited
US2853803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |