Patent US2866424A successfully refreshed from Google Patents.
US2866424A
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Control of pile height in needling
Assignee: CH Masland and Sons
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Filing: 1953-09-29
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Granted: 1958-12-30
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Expires: 1973-09-29
Abstract
No abstract record available.
Inventors
- 👤 D Charles H Masland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:31
CPC Classifications
D; D05; D05C; D05C15/00; D05C15/04; D05C15/08; D05C15/26; D05C15/32; B; B65; B65H; B65H51/00; B65H51/16; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S112/00; Y10S112/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US876562A
Cited
US1863049A
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US1909531A
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US1831458A
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US1915451A
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US2042503A
Cited
US2226631A
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US2639487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |