US2772943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of dyeing wool-polyacrylo-
Assignee: —
•
Filing: —
•
Granted: 1956-12-04
•
Expires: 1973-12-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:44
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/70; D06P3/74; D01; D01F; D01F6/00; D01F6/28; D01F6/38; D06P1/00; D06P1/38; D06P1/44; D06P1/653; D06P3/02; D06P3/04; D06P3/24; D06P3/241; D06P3/58; D06P3/60; D06P3/66; D06P3/82; D06P3/8204; D06P5/00; D06P5/02; Y; Y10; Y10S; Y10S8/00; Y10S8/90; Y10S8/901; Y10S8/908; Y10S8/909; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/927; Y10S8/93; Y10S8/931
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) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |