US2462468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spectacle sighting device
Assignee: Motors Liquidation Co
•
Filing: 1945-09-13
•
Granted: 1949-02-22
•
Expires: 1965-09-13
Abstract
No abstract record available.
Inventors
- 👤 Clark Kendall
- 👤 Kenneth O Sisson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:24
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/22; F41G3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US353406A
Cited
US444495A
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US1877459A
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US1851579A
Cited
US2088597A
Cited
US2316466A
Cited
US2352644A
Cited
US2410667A
Cited
US2389428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |