Patent US3082121A successfully refreshed from Google Patents.
US3082121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flameproof cellulose acetate fabrics
Assignee: Eastman Kodak Co
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Filing: 1961-04-24
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Granted: 1963-03-19
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Donaldson
- 👤 Charles C White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:13
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/188; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/23986
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
THE PROCESS FOR FLAMEPROOFING A CARPET COMPOSED OF CELLULOSE ACETATE FIBERS TUFTED INTO A CARPET FABRIC BACKING WHICH COMPRISES APPLYING TO THE RUG FIBERS AN AQUEOUS SOLUTION OF AN ALKALI METAL FORMATE AND THEREAFTER REMOVING THE WATER FROM THE APPLIED SOLUTION TO LEAVE ON THE FIBERS A DEPOSIT OF THE FORMATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |