US3086166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cubic function generator
Assignee: Hrb-Singer Inc
•
Filing: 1959-01-08
•
Granted: 1963-04-16
•
Expires: 1979-01-08
Abstract
No abstract record available.
Inventors
- 👤 Vincent L Salvatori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:54
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1969657A
Cited
US1998119A
Cited
US2034826A
Cited
US2086602A
Cited
US2066333A
Cited
US2751555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |