Patent US2152157A successfully refreshed from Google Patents.
Patent US804996A successfully refreshed from Google Patents.
US804996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopy.
Assignee: Individual
•
Filing: 1905-03-10
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Granted: 1905-11-21
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Expires: 1925-03-10
Abstract
No abstract record available.
Inventors
- 👤 Richard A Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/70; G03F7/70216; G03F7/70225; G02; G02B; G02B17/00; G02B17/08; G02B17/0892
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) | 1908-11-20 | 1909-05-22 | 1909-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-20 | 1913-05-22 | 1913-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-20 | 1917-05-22 | 1917-11-21 | $7700.00 | Window Closed / Lapsed |