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US2979775A
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Method of manufacturing cellular products
Assignee: BEARFOOT SOLE Co Inc
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Filing: 1953-05-11
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Granted: 1961-04-18
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Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 Benjamin D White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:50
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/10; B29C33/00; B29C33/02; B29C33/12; B29C33/14; B29C33/30; B29C33/301; B29K; B29K2021/00; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1415437A
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US1615156A
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US2145731A
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US2546868A
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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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |