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US2411222A
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Assignee: Individual
•
Filing: 1942-12-26
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Granted: 1946-11-19
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Expires: 1962-12-26
Abstract
No abstract record available.
Inventors
- 👤 Henry G Meigs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:11
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-11-18 | 1950-05-20 | 1950-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-18 | 1954-05-20 | 1954-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-18 | 1958-05-20 | 1958-11-19 | $7700.00 | Window Closed / Lapsed |