US3074815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of cellulosic fibrous materials with diamide quaternaries and the resulting articles
Assignee: ChampionX LLC
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Filing: 1961-01-23
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Granted: 1963-01-22
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Fred G H Lee
- 👤 Jerry J Svarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:44
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/405; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2311
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE METHOD OF TREATING CELLULOSIC FIBROUS MATERIALS WHICH COMPRISES APPLYING AND AFFIXING THERETO AN AQUEOUS COLLOIDALLY DISPERSIBLE DIAMIDE QUAMTERNARY OF THE FORMULA:
Claim 2
Independent Claim
22 words
THE METHOD OF TREATING CELLULOSIC FIBROUS MATERIALS WHICH COMPRISES APPLYING AND AFFIXING THERETO AN AQUEOUS COLLOIDALLY DISPERSIBLE DIAMIDE QUAMTERNARY OF THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |