US2995070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination exposure meter and lens
Assignee: Elgeet Optical Co Inc
•
Filing: 1956-08-16
•
Granted: 1961-08-08
•
Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 Hortenau Hans A Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:50
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2229289A
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FR875400A
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US2268105A
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US2302597A
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US2553656A
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DE849953C
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DE852653C
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GB698573A
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US2885937A
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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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |