Patent US3704777A successfully refreshed from Google Patents.
Patent US2937478A successfully refreshed from Google Patents.
US2937478A
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Process control apparatus
Assignee: Bryant Grinder Corp
•
Filing: 1954-09-02
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Granted: 1960-05-24
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Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Maker Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:32
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/02; B24B49/04; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/013; B23Q15/04; B23Q17/00; B23Q17/20; B23Q7/00; B23Q7/12; G; G07; G07C; G07C3/00; G07C3/14; G05; G05B; G05B2219/00; G05B2219/30; G05B2219/37; G05B2219/37525; G05B2219/42; G05B2219/42001; G05B2219/45; G05B2219/45159; G05B2219/50; G05B2219/50307
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979478A
Cited
US2160476A
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US2271717A
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US2472968A
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US2597831A
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US2617589A
Cited
US2697580A
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US2688459A
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US2664557A
Cited
US2712408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |