Patent US4543098A successfully refreshed from Google Patents.
US2933992A
Expired / Lapsed
US
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Combination binocular telescope and camera
Assignee: BINO SPECIALTIES Inc
•
Filing: 1955-10-06
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Granted: 1960-04-26
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Expires: 1975-10-06
Abstract
No abstract record available.
Inventors
- 👤 David P Bushnell
- 👤 Robert F Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:34
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/16; G02B23/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US246164A
Cited
US1161556A
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US1835534A
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GB366038A
Cited
US2382616A
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US2290874A
Cited
US2712779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |