US3451550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal machine
Assignee: Baker Perkins Inc
•
Filing: 1967-06-12
•
Granted: 1969-06-24
•
Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Bradley G Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:43
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US805426A
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US1040373A
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US1655774A
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GB278327A
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US2356497A
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US2368876A
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US2435665A
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US2578468A
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US2626055A
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US3073377A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |