US528211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slow-motion attachment for microscopes
Assignee: —
•
Filing: —
•
Granted: 1894-10-30
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Expires: 1911-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:00
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24; G02B21/241; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18584; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492; Y10T74/20504
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) | 1897-10-29 | 1898-04-30 | 1898-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-10-30 | 1902-05-01 | 1902-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-10-30 | 1906-05-01 | 1906-10-31 | $7700.00 | Window Closed / Lapsed |