US3062086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block type albada viewfinder
Assignee: Voigtlander AG
•
Filing: 1958-01-27
•
Granted: 1962-11-06
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Papke Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:15
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE558417C
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US849504A
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US1985067A
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US2178344A
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US2187057A
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US2217930A
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US2187246A
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FR996990A
Cited
FR1025524A
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US2896500A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |