Patent US2329818A successfully refreshed from Google Patents.
US2329818A
Expired / Lapsed
US
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Photocell control
Assignee: Motors Liquidation Co
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Filing: 1940-12-13
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Granted: 1943-09-21
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Expires: 1960-12-13
Abstract
No abstract record available.
Inventors
- 👤 Tracy F Brackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26; B23Q35/30; B23Q35/32; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T409/303584
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) | 1946-09-20 | 1947-03-22 | 1947-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-20 | 1951-03-22 | 1951-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-20 | 1955-03-22 | 1955-09-21 | $7700.00 | Window Closed / Lapsed |