US2649022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide-angle photographic objective lens assembly
Assignee: Individual
•
Filing: 1950-07-29
•
Granted: 1953-08-18
•
Expires: 1970-07-29
Abstract
No abstract record available.
Inventors
- 👤 Angenieux Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:29
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB225398A
Cited
US1862950A
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US1863099A
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US1955590A
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US1897262A
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US1910492A
Cited
US1934561A
Cited
US2105799A
Cited
US2126126A
Cited
US2259004A
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US2336300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |