Patent US2053375A successfully refreshed from Google Patents.
US2053375A
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Bar making process
Assignee: American Fork and Hoe Co
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Filing: 1933-06-03
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Granted: 1936-09-08
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Expires: 1953-06-03
Abstract
No abstract record available.
Inventors
- 👤 Nicholas John Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:11
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/08; B21B1/0815; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/14; Y10T225/30; Y10T225/336; Y10T225/343; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T428/00; Y10T428/12; Y10T428/12188; Y10T83/00; Y10T83/02; Y10T83/0207; Y10T83/0215
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) | 1939-09-08 | 1940-03-09 | 1940-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-09-08 | 1944-03-09 | 1944-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-09-08 | 1948-03-09 | 1948-09-08 | $7700.00 | Window Closed / Lapsed |