Patent US1760558A successfully refreshed from Google Patents.
US1760558A
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Method of making cylindrical articles from flat blanks
Assignee: Cleveland Graphite Bronze Co
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Filing: 1926-12-02
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Granted: 1930-05-27
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Expires: 1946-12-02
Abstract
No abstract record available.
Inventors
- 👤 William H Klocke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:06
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/76; B21K1/761; B21D; B21D5/00; B21D5/01; B21D5/015; B21K1/04; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/398; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49671; Y10T29/49673
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) | 1933-05-26 | 1933-11-25 | 1934-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-26 | 1937-11-25 | 1938-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-26 | 1941-11-25 | 1942-05-27 | $7700.00 | Window Closed / Lapsed |