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Patent US3389580A successfully refreshed from Google Patents.
US3389580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of articles on straight bar knitting machines
Assignee: William Cotton Ltd
•
Filing: 1965-04-12
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Granted: 1968-06-25
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Bentley William
- 👤 Start Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:43
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/22; D04B1/24; D04B1/246; D04B1/10; D04B1/102; D04B1/108; D04B11/00; D04B11/06; D10; D10B; D10B2403/00; D10B2403/03; D10B2403/033; D10B2403/0332
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE620322A
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CA714785A
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US2120035A
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US2222946A
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US2969662A
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FR1303055A
Cited
US3103111A
Cited
US3252306A
Cited
US3292395A
Cited
US3283545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |