US2797799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drawing wire and operating thereon
Assignee: Ajax Manufacturing Co
•
Filing: 1955-07-28
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Granted: 1957-07-02
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Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 William A Ehlert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:36
CPC Classifications
B; B21; B21C; B21C19/00; B21K; B21K27/00; B21K27/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5187; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US145931A
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US432586A
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US1664717A
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US2018211A
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US2226400A
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US2213336A
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US2337881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |