US3490253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stop motions for warp knitting machines
Assignee: Individual
•
Filing: 1967-09-07
•
Granted: 1970-01-20
•
Expires: 1987-09-07
Abstract
No abstract record available.
Inventors
- 👤 Erwin Sick
- 👤 Winfried Piepenbrink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:22
CPC Classifications
D; D03; D03D; D03D51/00; D03D51/18; D06; D06H; D06H3/00; D06H3/08; G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; G01N21/8901
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |