Patent US869395A successfully refreshed from Google Patents.
US869395A
Expired / Lapsed
US
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Sight-telescope.
Assignee: Krupp Stahl AG
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Filing: 1905-12-09
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Granted: 1907-10-29
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Expires: 1925-12-09
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Schleth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:58
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G02B23/08
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) | 1910-10-28 | 1911-04-29 | 1911-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-28 | 1915-04-29 | 1915-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-28 | 1919-04-29 | 1919-10-29 | $7700.00 | Window Closed / Lapsed |