US3015990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting of optical elements
Assignee: Optische Industrie de Oude Delft NV
•
Filing: 1959-04-10
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Granted: 1962-01-09
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jonkers Cornelis Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:04
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/02; G02B7/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1109189A
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US1190932A
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US1688425A
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US1877089A
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US2089750A
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US2081299A
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US2081608A
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GB537637A
Cited
DE890272C
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US2872843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |