Patent US2842804A successfully refreshed from Google Patents.
US2842804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of blended fibrous materials
Assignee: TMM Research Ltd
•
Filing: 1955-06-27
•
Granted: 1958-07-15
•
Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 Hunter William Aldred
- 👤 Singleton Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:14
CPC Classifications
D; D01; D01G; D01G13/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US67226A
Cited
US812311A
Cited
AT34104B
Cited
US1359029A
Cited
US1545367A
Cited
US1929344A
Cited
US2057641A
Cited
US2665453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |