Patent US2980145A successfully refreshed from Google Patents.
US2980145A
Expired / Lapsed
US
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Selective shedding mechanism for looms
Assignee: Crompton and Knowles Corp
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Filing: 1959-07-03
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Granted: 1961-04-18
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Expires: 1979-07-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Archibald J Herard
- 👤 Clarence R Kronoff
- 👤 Victor F Sepavich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:44
CPC Classifications
D; D03; D03C; D03C1/00; D03C1/02; D03C1/04
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |