Patent US2522526A successfully refreshed from Google Patents.
US2522526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning gun for the production of filaments
Assignee: Individual
•
Filing: 1946-04-19
•
Granted: 1950-09-19
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Fred W Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:08
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/06; D01D; D01D5/00; D01D5/12; D01D5/14; Y; Y10; Y10S; Y10S264/00; Y10S264/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2337969A
Cited
US2328125A
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US2367173A
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US2411659A
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US2411660A
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US2371075A
Cited
US2385358A
Cited
US2422969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |