Patent US3031483A successfully refreshed from Google Patents.
Patent US2780130A successfully refreshed from Google Patents.
US2780130A
Expired / Lapsed
US
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Reflex sight having a dichroic beamcombining mirror
Assignee: Eastman Kodak Co
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Filing: 1954-01-29
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Granted: 1957-02-05
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Expires: 1974-01-29
Abstract
No abstract record available.
Inventors
- 👤 Paul B Mauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:25
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/28; G02B5/285; F; F41; F41G; F41G1/00; F41G1/30; G02B23/00; G02B23/02; G02B23/10; G02B23/14; G03; G03B; G03B13/00; G03B13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |