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US2471758A
Expired / Lapsed
US
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Selvage forming mechanism
Assignee: Individual
•
Filing: 1947-03-31
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Granted: 1949-05-31
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Expires: 1967-03-31
Abstract
No abstract record available.
Inventors
- 👤 Carl F Libby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:36
CPC Classifications
D; D03; D03D; D03D47/00; D03D47/40; D03D47/42; D03D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB521096A
Cited
US2258538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |