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Patent US2811244A successfully refreshed from Google Patents.
US2811244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needling pile fabric
Assignee: CH Masland and Sons
•
Filing: 1953-10-27
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Granted: 1957-10-29
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Expires: 1973-10-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Rex S Maccaffray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:29
CPC Classifications
D; D05; D05C; D05C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US386623A
Cited
US876562A
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US1831485A
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US1863049A
Cited
US1909531A
Cited
US1947958A
Cited
US2128184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |