Patent US1798421A successfully refreshed from Google Patents.
US1798421A
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Beveling machine
Assignee: MARIETTA MANUFACTURING Co
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Filing: 1929-06-28
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Granted: 1931-03-31
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Expires: 1949-06-28
Abstract
No abstract record available.
Inventors
- 👤 Forrest L Hitchcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:28
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/0015; B24B21/00; B24B21/002
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) | 1934-03-30 | 1934-09-29 | 1935-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-30 | 1938-09-29 | 1939-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-30 | 1942-09-29 | 1943-03-31 | $7700.00 | Window Closed / Lapsed |