US2986606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording with audible and visible monitoring
Assignee: Leica Microsystems Inc
•
Filing: 1955-02-28
•
Granted: 1961-05-30
•
Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Kruse
- 👤 Howard N Fawcett
- 👤 James D Digby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:40
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/022; G11B17/028; G11B17/0284; G11B17/0286; A; A61; A61B; A61B7/00; A61B7/02; A61B7/04; G11B17/0288; G11B19/00; G11B19/02; G11B19/022; G11B25/00; G11B25/04; G11B25/043; G11B31/00; G11B33/00; G11B33/02; G11B33/06; G11B5/00; G11B5/012; G11B2005/0002
Claims Analysis
Total Claims: 0
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US2689161A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |