US2423989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular knitting machine
Assignee: Bentley Engineering Co Ltd
•
Filing: 1945-03-19
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Granted: 1947-07-15
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Expires: 1965-03-19
Abstract
No abstract record available.
Inventors
- 👤 Manger Charles Frederick
- 👤 Buswell George Alfred
- 👤 Peberdy Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:09
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/42; D04B9/46; D04B9/56
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) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |