US2279771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating process
Assignee: EIDP Inc
•
Filing: 1940-04-19
•
Granted: 1942-04-14
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Expires: 1960-04-19
Abstract
No abstract record available.
Inventors
- 👤 Austin Paul Rolland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:25
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/065; B; B05; B05D; B05D7/00; B05D7/20; H01B7/00; H01B7/17; H01B7/28; B05D1/00; B05D1/18; B05D2401/00; B05D2401/20; B05D2505/00; B05D3/00; B05D3/02; B05D3/0254; B05D3/10; B05D3/107
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 |