US3477889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making nonwoven pile fabrics
Assignee: Btb Benoit Le Tapis Brosse Sa
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Filing: 1966-03-18
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Granted: 1969-11-11
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Expires: 1986-03-18
Abstract
No abstract record available.
Inventors
- 👤 Pierre Jean Marc Partensky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:07
CPC Classifications
D; D04; D04H; D04H11/00; H; H01; H01J; H01J35/00; H01J35/22; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1089; Y10T156/109; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/133; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734; Y10T428/00; Y10T428/23907; Y10T428/23986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |