US3436250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for retaining flame and soil resistances to fabrics
Assignee: Asahi Kasei Corp
•
Filing: 1965-08-12
•
Granted: 1969-04-01
•
Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hiroyuki Yamaguchi
- 👤 Mituho Takada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:55
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M13/322; D06M13/325; D06M13/368; D06M15/00; D06M15/19; D06M15/37; D06M15/667; D06M15/673
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |