Patent US2851737A successfully refreshed from Google Patents.
US2851737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blending of textile fibrous materials
Assignee: TMM Research Ltd
•
Filing: 1955-08-23
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Granted: 1958-09-16
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Hunter William Aldred
- 👤 Singleton Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:21
CPC Classifications
D; D01; D01G; D01G13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US67226A
Cited
US852474A
Cited
AT34104B
Cited
US1359029A
Cited
US1545367A
Cited
US1929344A
Cited
DE694869C
Cited
US2665453A
Cited
US2666956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |