US2867597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of flameproofing fibers, compositions used therein
Assignee: Victor Chemical Works
•
Filing: 1953-09-22
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Granted: 1959-01-06
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jr James R Costello
- 👤 Thornton P Traise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:21
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2672; Y10T442/2705
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE METHOD OF FLAMEPROOFING CELLULOSIC FIBERS WHICH COMPRISES IMPREGNATING THE FIBERS WITH AN EMULSION CONTAINING (A) A DIALKENYL BETA, CARBOXYALKYL ALKANEPHOSPHONATE HAVING THE FORMULA
Claim 2
Independent Claim
24 words
THE METHOD OF FLAMEPROOFING CELLULOSIC FIBERS WHICH COMPRISES IMPREGNATING THE FIBERS WITH AN EMULSION CONTAINING (A) A DIALKENYL BETA, CARBOXYALKYL ALKANEPHOSPHONATE HAVING THE FORMULA
References Cited (Backward Citations)
US2478441A
Cited
GB660169A
Cited
US2559854A
Cited
US2660543A
Cited
US2660542A
Cited
US2780616A
Cited
US2681920A
Cited
US2668800A
Cited
US2686768A
Cited
US2714100A
Cited
US2811469A
Cited
US2725311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |