US2613442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun sight
Assignee: Individual
•
Filing: 1950-12-05
•
Granted: 1952-10-14
•
Expires: 1970-12-05
Abstract
No abstract record available.
Inventors
- 👤 William M Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:29
CPC Classifications
F; F41; F41G; F41G1/00; F41G1/06; F41G1/16; F41G1/18; F41G1/46; F41G1/473
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US404598A
Cited
US1651093A
Cited
GB190406178A
Cited
US846173A
Cited
US2005866A
Cited
US2294189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |