US2997867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern chain for warp knitting machines
Assignee: Native Laces & Textiles Inc
•
Filing: 1958-10-08
•
Granted: 1961-08-29
•
Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Engelhard Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:29
CPC Classifications
D; D03; D03C; D03C15/00; D03C15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15901E
Cited
US2888815A
Cited
US874074A
Cited
US2229692A
Cited
US2741107A
Cited
US2881606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |