Patent US2780585A successfully refreshed from Google Patents.
US2931483A
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US
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Rack proofing apparatus
Assignee: Baker Perkins Inc
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Filing: 1954-05-17
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Granted: 1960-04-05
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Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Charles G Gibbons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:01
CPC Classifications
A; A21; A21C; A21C13/00; A21C13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1109894A
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US1038784A
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US1036490A
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US1837605A
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US1832343A
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US2124423A
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US2445884A
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US2599605A
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US2686587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |