US3434278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of bulked yarn
Assignee: BASF SE
•
Filing: 1965-12-20
•
Granted: 1969-03-25
•
Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Martin
- 👤 Hermann Linge
- 👤 Hans Hendus
- 👤 Friedrich Wenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:58
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA646748A
Cited
CA703754A
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US3080345A
Cited
US3069837A
Cited
US3182100A
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US3228996A
Cited
US3216965A
Cited
US3247168A
Cited
US3343364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |