US3271189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating synthetic fibers
Assignee: Beaunit Corp
•
Filing: 1962-03-02
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Granted: 1966-09-06
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Expires: 1982-03-02
Abstract
No abstract record available.
Inventors
- 👤 Hofmann Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:53
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2913; Y10T428/2922; Y10T428/2933; Y10T428/2962; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
AS A NEW ARTICLE OF MANUFACTURE, POLYESTER FIBERFILL WITH HIGH, SUBSTANTIALLY PERMANENT RESILIENCY COMPRISING CRIMPED POLYESTER FIBERFILL HAVING A THIN, SOLID COATING OF A METHYLPOLYSILOXANE POLYMER CROSS-LINKED WITH A METHYLHYDROGENPOLYSILOXANE POLYMER.
Claim 2
Dependent Claim
31 words
AS A NEW ARTICLE OF MANUFACTURE, POLYESTER FIBERFILL WITH HIGH, SUBSTANTIALLY PERMANENT RESILIENCY COMPRISING CRIMPED POLYESTER FIBERFILL HAVING A THIN, SOLID COATING OF A METHYLPOLYSILOXANE POLYMER CROSS-LINKED WITH A METHYLHYDROGENPOLYSILOXANE POLYMER.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |