US695980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for drilling lenses.
Assignee: STANDARD OPTICAL Co
•
Filing: 1901-01-30
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Granted: 1902-03-25
•
Expires: 1921-01-30
Abstract
No abstract record available.
Inventors
- 👤 Louis Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/14; B28D1/143; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/55; Y10T408/561; Y10T408/5617
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) | 1905-03-24 | 1905-09-23 | 1906-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-03-24 | 1909-09-23 | 1910-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-03-24 | 1913-09-23 | 1914-03-25 | $7700.00 | Window Closed / Lapsed |