US2529181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sinker cam mechanism for circular knitting machines and method of operating a circular knitting machine
Assignee: Scott and Williams Inc
•
Filing: 1947-04-25
•
Granted: 1950-11-07
•
Expires: 1967-04-25
Abstract
No abstract record available.
Inventors
- 👤 Frank R Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:03
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/06; D04B15/32; D04B15/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1641554A
Cited
GB221686A
Cited
US2142693A
Cited
US2063026A
Cited
US2200207A
Cited
US2337153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |