Patent US3314520A successfully refreshed from Google Patents.
Patent US830868A successfully refreshed from Google Patents.
US830868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Front sight for rifles.
Assignee: Individual
•
Filing: 1905-07-31
•
Granted: 1906-09-11
•
Expires: 1925-07-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas Archer Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:16
CPC Classifications
F; F41; F41G; F41G1/00; F41G1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1909-09-10 | 1910-03-12 | 1910-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-09-10 | 1914-03-12 | 1914-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-09-10 | 1918-03-12 | 1918-09-11 | $7700.00 | Window Closed / Lapsed |