US3439336A
Expired / Lapsed
US
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Assignee: Vyzkumny Ustav Matematickych Stroju
•
Filing: 1965-09-29
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Granted: 1969-04-15
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jaroslav Toifl
- 👤 Miloslav Martinek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:05
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/35; G05B19/351; G05B19/21; G05B19/23; G05B19/231; H; H03; H03K; H03K5/00; H03K5/22; H03K5/26; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41458
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |