US2506645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp knitting machine and method of operation
Assignee: Akzo Nobel UK PLC
•
Filing: 1945-01-11
•
Granted: 1950-05-09
•
Expires: 1965-01-11
Abstract
No abstract record available.
Inventors
- 👤 William D Kellogg
- 👤 Richard F Eshleman
- 👤 Walter T Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:10
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/94; D04B15/99
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2015106A
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US1901418A
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US2010928A
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US2040047A
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US2363535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |