Patent US2805993A successfully refreshed from Google Patents.
US2805993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile lubricant and process
Assignee: NL Industries Inc
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Filing: 1954-09-29
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Granted: 1957-09-10
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Expires: 1974-09-29
Abstract
No abstract record available.
Inventors
- 👤 William S Barnard
- 👤 Abb L Scarbrough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:35
CPC Classifications
D; D06; D06M; D06M7/00; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE PROCESS OF LUBRICATING A TEXTILE FIBER DURING THE FORMING THEREOF INTO A YARN, WHICH INCLUDES THE STEP OF BRINGING THE FIBER INTO CONTACT WITH AN EMULSION HAVING A CONTINUOUS PHASE OF WATER AND A DISPERSED PHASE OF AN OIL-ORGANOPHILIC BENTONITE MIXTURE CONTAINING FROM 0.5% TO 25% BY WEIGHT OF AN ORGANOPHILIC BENTONITE.
Claim 2
Dependent Claim
53 words
THE PROCESS OF LUBRICATING A TEXTILE FIBER DURING THE FORMING THEREOF INTO A YARN, WHICH INCLUDES THE STEP OF BRINGING THE FIBER INTO CONTACT WITH AN EMULSION HAVING A CONTINUOUS PHASE OF WATER AND A DISPERSED PHASE OF AN OIL-ORGANOPHILIC BENTONITE MIXTURE CONTAINING FROM 0.5% TO 25% BY WEIGHT OF AN ORGANOPHILIC BENTONITE.
References Cited (Backward Citations)
US2628197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |