Patent US2682097A successfully refreshed from Google Patents.
US2682097A
Expired / Lapsed
US
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Porous wrapper
Assignee: Akzo Nobel UK PLC
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Filing: 1950-04-06
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Granted: 1954-06-29
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Expires: 1970-04-06
Abstract
No abstract record available.
Inventors
- 👤 Wade Worth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:23
CPC Classifications
A; A23; A23C; A23C19/00; A23C19/14; A23C19/16; A23C19/166; B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255221A
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US2184600A
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US2173243A
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US2293855A
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US2331977A
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US2333630A
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US2356161A
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US2371967A
Cited
US2504124A
Cited
US2501988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |