US3452207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling machines,mainly dredgers,with optical beam
Assignee: Leningradsky Institut Tochnoy Mekhaniki i Optiki
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Filing: 1964-10-16
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Granted: 1969-06-24
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Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 Solomon Tobiasovich Tsukkerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:55
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/20; E02F9/2025; E02F9/2045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2916836A
Cited
US3079835A
Cited
US3224319A
Cited
US3224709A
Cited
US3241430A
Cited
US3302512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |