US2425015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grid winding machine
Assignee: Federal Telephone and Radio Corp
•
Filing: 1942-10-27
•
Granted: 1947-08-05
•
Expires: 1962-10-27
Abstract
No abstract record available.
Inventors
- 👤 Victor H Van Sant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:22
CPC Classifications
H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0026; Y; Y10; Y10T; Y10T82/00; Y10T82/20; Y10T82/25; Y10T82/2531; Y10T82/2549
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE38198C
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US172679A
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FR491652A
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US1835114A
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US1827056A
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US2118489A
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US2181288A
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US2169351A
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US2225913A
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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) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |