Patent US2575747A successfully refreshed from Google Patents.
US2575747A
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US
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Apparatus for making retractile cords
Assignee: Whitney Blake Co
•
Filing: 1946-05-06
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Granted: 1951-11-20
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Expires: 1966-05-06
Abstract
No abstract record available.
Inventors
- 👤 Cook John Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:12
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/008; Y; Y10; Y10S; Y10S264/00; Y10S264/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2173096A
Cited
US2339683A
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US2291344A
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US2365952A
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US2363826A
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US2393058A
Cited
US2525285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |