US973062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical instrument.
Assignee: Individual
•
Filing: 1910-03-09
•
Granted: 1910-10-18
•
Expires: 1930-03-09
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:18
CPC Classifications
G; G01; G01C; G01C15/00; G01C15/002; G01C15/004
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) | 1913-10-17 | 1914-04-18 | 1914-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-17 | 1918-04-18 | 1918-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-17 | 1922-04-18 | 1922-10-18 | $7700.00 | Window Closed / Lapsed |