US905633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nose-piece for microscopes.
Assignee: Bausch and Lomb Inc
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Filing: 1908-02-14
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Granted: 1908-12-01
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Expires: 1928-02-14
Abstract
No abstract record available.
Inventors
- 👤 Edward Bausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:00
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/02; G02B7/14
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) | 1911-12-01 | 1912-06-01 | 1912-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-12-01 | 1916-06-01 | 1916-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-12-01 | 1920-06-01 | 1920-12-01 | $7700.00 | Window Closed / Lapsed |