US2621680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picking mechanism for underpick looms
Assignee: British Cotton Industry Research Association
•
Filing: 1951-04-20
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Granted: 1952-12-16
•
Expires: 1971-04-20
Abstract
No abstract record available.
Inventors
- 👤 Vincent John Joseph
- 👤 Davies Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:42
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US677562A
Cited
US688573A
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FR478037A
Cited
US1366514A
Cited
CH142710A
Cited
GB514416A
Cited
US2481425A
Cited
CH273361A
Cited
US2483987A
Cited
US2493631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |