US2419320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing staple fibers
Assignee: Individual
•
Filing: 1943-05-08
•
Granted: 1947-04-22
•
Expires: 1963-05-08
Abstract
No abstract record available.
Inventors
- 👤 Lohrke James Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:32
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/06; D01G1/08; D01G1/081; D01G1/083; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/329
Claims Analysis
Total Claims: 0
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US1883384A
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FR750978A
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US2104827A
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GB510870A
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US2230396A
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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) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |