US2513228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle grinding machine
Assignee: Bryant Grinder Corp
•
Filing: 1947-02-25
•
Granted: 1950-06-27
•
Expires: 1967-02-25
Abstract
No abstract record available.
Inventors
- 👤 Merton H Arms
- 👤 Paul A Grobey
- 👤 Harold M Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:12
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/02; B24B5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US95342A
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US1530242A
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FR664897A
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US1989792A
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US2083682A
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US2139896A
Cited
US2167647A
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US2237583A
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US2210273A
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US2356499A
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US2414182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |