US2213006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink
Assignee: PPG Industries Inc
•
Filing: 1937-05-22
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Granted: 1940-08-27
•
Expires: 1957-05-22
Abstract
No abstract record available.
Inventors
- 👤 Melvin W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:37
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; C; C09; C09D; C09D11/00; C09D11/02; C09D11/14; Y; Y10; Y10S; Y10S260/00; Y10S260/38
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) | 1943-08-27 | 1944-02-26 | 1944-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-27 | 1948-02-26 | 1948-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-27 | 1952-02-26 | 1952-08-27 | $7700.00 | Window Closed / Lapsed |