US3520762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile fabric
Assignee: Asahi Kasei Corp
•
Filing: 1968-03-19
•
Granted: 1970-07-14
•
Expires: 1988-03-19
Abstract
No abstract record available.
Inventors
- 👤 Masatoshi Sakamoto
- 👤 Hiroshi Nakano
- 👤 Takeshichiro Naito
- 👤 Yasunori Suma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:23
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D03; D03D; D03D27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/23957
Claims Analysis
Total Claims: 0
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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) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |