US2586046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament forming apparatus
Assignee: Individual
•
Filing: 1949-01-28
•
Granted: 1952-02-19
•
Expires: 1969-01-28
Abstract
No abstract record available.
Inventors
- 👤 William C Huebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:25
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/0007; D01D5/0061; D01D5/0069; D01D5/0092; D01D5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041338A
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US705691A
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US1975504A
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US1955825A
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US1937225A
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US2123992A
Cited
US2253089A
Cited
US2362674A
Cited
US2403476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |