Patent US2066611A successfully refreshed from Google Patents.
US2066611A
Expired / Lapsed
US
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Selenium cell
Assignee: G M LAB Inc
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Filing: 1932-12-10
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Granted: 1937-01-05
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Expires: 1952-12-10
Abstract
No abstract record available.
Inventors
- 👤 Christy Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/042; H10P; H10P14/00; H10P14/20; H10P14/26; H10P14/263; H10P14/34; H10P14/3402; H10P14/38; H10P14/3802
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) | 1940-01-05 | 1940-07-06 | 1941-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-05 | 1944-07-06 | 1945-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-05 | 1948-07-06 | 1949-01-05 | $7700.00 | Window Closed / Lapsed |