US2782679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical projection viewing and indicating means for measuring instruments
Assignee: Automobiles Citroen SA
•
Filing: 1954-10-19
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Granted: 1957-02-26
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Expires: 1974-10-19
Abstract
No abstract record available.
Inventors
- 👤 Brueder Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:16
CPC Classifications
G; G01; G01D; G01D7/00; G01D7/02; G01D7/04; G01D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2569579A
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US2676515A
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US2685818A
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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) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |