Patent US2128533A successfully refreshed from Google Patents.
US2128533A
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US
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Means for coloring molded articles
Assignee: PLASKON CO Inc
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Filing: 1935-03-20
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Granted: 1938-08-30
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Expires: 1955-03-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Howald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:52
CPC Classifications
C; C08; C08J; C08J5/00; D; D06; D06P; D06P3/00; C08J2361/00; C08J2361/20; C08J2361/22; C08J2361/24; Y; Y10; Y10S; Y10S264/00; Y10S264/34; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5113
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) | 1941-08-29 | 1942-02-28 | 1942-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-29 | 1946-02-28 | 1946-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-29 | 1950-02-28 | 1950-08-30 | $7700.00 | Window Closed / Lapsed |