Patent US2657646A successfully refreshed from Google Patents.
US2657646A
Expired / Lapsed
US
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Application of plastic substances to biscuits and the like articles
Assignee: T&T Vicars Ltd
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Filing: 1951-04-19
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Granted: 1953-11-03
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Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 Derbyshire Alfred
- 👤 Naylor Joseph Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:47
CPC Classifications
A; A21; A21C; A21C15/00; A21C15/02; A21C15/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US696536A
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US820388A
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US1160532A
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US1460825A
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US1585114A
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US1904742A
Cited
US1858175A
Cited
US2119909A
Cited
US2101240A
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US2394795A
Cited
US2424949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |