US1137192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescope.
Assignee: Keuffel and Esser Co
•
Filing: 1913-02-01
•
Granted: 1915-04-27
•
Expires: 1933-02-01
Abstract
No abstract record available.
Inventors
- 👤 Philip Ferber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/32
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) | 1918-04-26 | 1918-10-26 | 1919-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-04-26 | 1922-10-26 | 1923-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-04-26 | 1926-10-26 | 1927-04-27 | $7700.00 | Window Closed / Lapsed |