Patent US3019706A successfully refreshed from Google Patents.
US3019706A
Expired / Lapsed
US
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Fine adjustment mechanism for microscopes
Assignee: Nikon Corp
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Filing: 1958-02-25
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Granted: 1962-02-06
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Expires: 1978-02-25
Abstract
No abstract record available.
Inventors
- 👤 Ueno Tadashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:47
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24; G02B21/241; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US328277A
Cited
US754954A
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US1529102A
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US2229748A
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US2439828A
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US2677987A
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US2763185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |