US3536802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for spinning composite filaments
Assignee: Kanebo Ltd
•
Filing: 1966-07-26
•
Granted: 1970-10-27
•
Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Toru Uraya
- 👤 Shusuke Kageyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:17
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/04; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; D01D5/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB1050042A
Cited
US3038235A
Cited
US3188689A
Cited
US3192295A
Cited
US3161914A
Cited
FR1342403A
Cited
GB979083A
Cited
US3397426A
Cited
US3197813A
Cited
FR1371407A
Cited
US3408277A
Cited
FR1434801A
Cited
US3297807A
Cited
US3266093A
Cited
US3399259A
Cited
US3408433A
Cited
US3387327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |