Patent US2491258A successfully refreshed from Google Patents.
US2491258A
Expired / Lapsed
US
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Manufacture of pile fabrics
Assignee: Individual
•
Filing: 1947-05-12
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Granted: 1949-12-13
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Expires: 1967-05-12
Abstract
No abstract record available.
Inventors
- 👤 Fuhrhop Wilhelm Friedrich
- 👤 Hans Van Issum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:28
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; A; A41; A41H; A41H41/00; A41H41/005; D04H1/593; D04H1/70; D04H1/74; D04H11/00; D04H3/00; D04H3/08; D04H3/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1077; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1012389A
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US1467693A
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US1710977A
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US1656828A
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GB450689A
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US2087441A
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US2332738A
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US2435543A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |