US2322228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of testing protective coatings
Assignee: Individual
•
Filing: 1941-07-31
•
Granted: 1943-06-22
•
Expires: 1961-07-31
Abstract
No abstract record available.
Inventors
- 👤 Staebler Herbert C De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:22
CPC Classifications
B; B65; B65B; B65B3/00; B65B3/04; B65B3/16; G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/20; G01N27/205; Y; Y10; Y10S; Y10S118/00; Y10S118/03; Y10S118/10
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) | 1946-06-21 | 1946-12-21 | 1947-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-21 | 1950-12-21 | 1951-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-21 | 1954-12-21 | 1955-06-22 | $7700.00 | Window Closed / Lapsed |