US2771118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making unwoven fabric from bast fibers
Assignee: Individual
•
Filing: 1952-10-03
•
Granted: 1956-11-20
•
Expires: 1972-10-03
Abstract
No abstract record available.
Inventors
- 👤 Bobkowicz Emilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:51
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/04; D04H3/015; D04H3/045; D04H3/08; D04H3/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1067; Y10T156/1069; Y10T156/12; Y10T156/13
Claims Analysis
Total Claims: 0
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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) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |