US2601346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarization corrector
Assignee: Individual
•
Filing: 1945-09-17
•
Granted: 1952-06-24
•
Expires: 1965-09-17
Abstract
No abstract record available.
Inventors
- 👤 Valensi Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:55
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/24; H01Q15/242; H01Q15/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB132858A
Cited
US2075094A
Cited
US2153209A
Cited
DE668231C
Cited
US2130389A
Cited
US2257284A
Cited
US2407318A
Cited
FR909047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |