US2994258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Focusing mount for photographic and cinematographic objectives
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1958-09-15
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Granted: 1961-08-01
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Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Schafer Wilhelm
- 👤 Sanger Otto
- 👤 Schutz Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:08
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/02; G02B7/04; G03; G03B; G03B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |