US3422638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular knitting machines
Assignee: Wildt Mellor Bromley Ltd
•
Filing: 1966-06-27
•
Granted: 1969-01-21
•
Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Albert H Widdowson
- 👤 Walter Goadby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:00
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US586315A
Cited
US1424274A
Cited
US864496A
Cited
US808121A
Cited
US951706A
Cited
US983777A
Cited
GB191212847A
Cited
GB388829A
Cited
US2043852A
Cited
FR1153052A
Cited
US2815651A
Cited
US3076327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |