US1896158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of protecting articles from corrosion
Assignee: EIDP Inc
•
Filing: 1929-09-21
•
Granted: 1933-02-07
•
Expires: 1949-09-21
Abstract
No abstract record available.
Inventors
- 👤 William S Calcott
- 👤 Albert S Carter
- 👤 Frederick B Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:46
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/04; C; C08; C08G; C08G75/00; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692
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) | 1936-02-07 | 1936-08-08 | 1937-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-07 | 1940-08-08 | 1941-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-07 | 1944-08-08 | 1945-02-07 | $7700.00 | Window Closed / Lapsed |