US2628532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Five component objective lens for aerial photography
Assignee: Applied Biosystems Inc
•
Filing: 1950-11-28
•
Granted: 1953-02-17
•
Expires: 1970-11-28
Abstract
No abstract record available.
Inventors
- 👤 James G Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:14
CPC Classifications
G; G02; G02B; G02B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US435271A
Cited
GB157040A
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US2254511A
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US2349893A
Cited
US2348667A
Cited
US2430150A
Cited
US2443156A
Cited
US2516724A
Cited
US2532751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |