US3067648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical instrument with binocular viewing attachment
Assignee: Individual
•
Filing: 1959-10-05
•
Granted: 1962-12-11
•
Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:45
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/10; A61B3/13; A61B3/132; A61B1/00; A61B1/06; A61B1/0661; A61B1/0692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE273563C
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DE323162C
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US1240905A
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US2444172A
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US2639653A
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US2559698A
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US2655076A
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US2757574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |