Patent US2234728A successfully refreshed from Google Patents.
US2234728A
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US
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Feeding and straightening means
Assignee: Ajax Manufacturing Co
•
Filing: 1939-07-12
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Granted: 1941-03-11
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Expires: 1959-07-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Gaines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:31
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/16; B21C1/27; B21C1/30; B21F; B21F1/00; B21F1/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5121; Y10T29/5187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-03-10 | 1944-09-09 | 1945-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-10 | 1948-09-09 | 1949-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-10 | 1952-09-09 | 1953-03-11 | $7700.00 | Window Closed / Lapsed |