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US3533702A
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Multipurpose optical measuring device for determining the position of an object in two coordinates
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1966-04-19
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Granted: 1970-10-13
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Expires: 1986-04-19
Abstract
No abstract record available.
Inventors
- 👤 Fromund Hock
- 👤 Karl Lang
- 👤 Heribert Lussem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:17
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/36; G01D5/38; G01B; G01B11/00; G01B11/02; G01D5/347; G02; G02B; G02B21/00; G02B21/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2775158A
Cited
US3322953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |