US2490970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mechanically displacing a microscope specimen support or the like
Assignee: Individual
•
Filing: 1947-08-05
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Granted: 1949-12-13
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Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Krassilnikian Sarkis
- 👤 Heller Bedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:55
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24; G02B21/26; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/1812; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/1957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |