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US3498725A
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US
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Reflex sighting device including a partial reflector and means between the reflector and display to compensate for parallax
Assignee: Allard Way Holdings Ltd
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Filing: 1965-03-18
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Granted: 1970-03-03
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 Derek R Burrows
- 👤 Fritz P Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:13
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/01; G02B27/0101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2384540A
Cited
US2459206A
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US2490747A
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US2588035A
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US2949808A
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US3211045A
Cited
US3230819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |