Patent US3671547A successfully refreshed from Google Patents.
Patent US1884104A successfully refreshed from Google Patents.
US1884104A
Expired / Lapsed
US
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Method of resurfacing rolls
Assignee: American Sheet and Tin Plate Co
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Filing: 1928-11-08
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Granted: 1932-10-25
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Expires: 1948-11-08
Abstract
No abstract record available.
Inventors
- 👤 Moore Edwin Earl
- 👤 Charles L Mcgranahan
- 👤 Warrender Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:07
CPC Classifications
B; B21; B21B; B21B28/00; B21B28/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49545; Y10T29/49547; Y10T29/49549; Y10T29/49718; Y10T29/49732; Y10T29/49744
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) | 1935-10-25 | 1936-04-25 | 1936-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-25 | 1940-04-25 | 1940-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-25 | 1944-04-25 | 1944-10-25 | $7700.00 | Window Closed / Lapsed |