Patent US2921611A successfully refreshed from Google Patents.
US2921611A
Expired / Lapsed
US
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Filling holding and cutting mechanism for looms
Assignee: Draper Corp
•
Filing: 1958-03-28
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Granted: 1960-01-19
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Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Walter J Budzyna
- 👤 Jr Ralph H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:15
CPC Classifications
D; D03; D03D; D03D47/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106727A
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US2553351A
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US2604123A
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US2654399A
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US2665716A
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US2720225A
Cited
US2711193A
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US2752955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |