Patent US2279686A successfully refreshed from Google Patents.
US2279686A
Expired / Lapsed
US
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Method and apparatus for cleaning and painting
Assignee: Douglas Aircraft Co Inc
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Filing: 1941-06-09
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Granted: 1942-04-14
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Expires: 1961-06-09
Abstract
No abstract record available.
Inventors
- 👤 Kerlin William Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:15
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/10; B05B; B05B16/00; B05B16/20; B05B16/90; B05C; B05C9/00; B05C9/08; B05C9/10; Y; Y10; Y10S; Y10S118/00; Y10S118/07
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) | 1945-04-13 | 1945-10-13 | 1946-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-13 | 1949-10-13 | 1950-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-13 | 1953-10-13 | 1954-04-14 | $7700.00 | Window Closed / Lapsed |