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Patent US2535997A successfully refreshed from Google Patents.
US2535997A
Expired / Lapsed
US
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Cross-feed mechanism for grinding machines
Assignee: ARTER GRINDING MACHINE Co
•
Filing: 1946-12-05
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Granted: 1950-12-26
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Expires: 1966-12-05
Abstract
No abstract record available.
Inventors
- 👤 Arter Harry
- 👤 Warren F Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:25
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1594395A
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US1866212A
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US1981224A
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US2110958A
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US2337223A
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US2171519A
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US2334581A
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US2333341A
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US2370580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |