US2763185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microscope tube moving mechanism
Assignee: BERLINER OPTISCHE WERKSTATTEN
•
Filing: 1953-07-30
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Granted: 1956-09-18
•
Expires: 1973-07-30
Abstract
No abstract record available.
Inventors
- 👤 Deutscher Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:53
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24; G02B21/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190008992A
Cited
GB190111261A
Cited
GB191419161A
Cited
US1863673A
Cited
GB595727A
Cited
US2677987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |