Patent US5484444A successfully refreshed from Google Patents.
US2444094A
Expired / Lapsed
US
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Resin coated fiber base and process of making
Assignee: Bakelite Corp
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Filing: 1943-08-04
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Granted: 1948-06-29
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Expires: 1963-08-04
Abstract
No abstract record available.
Inventors
- 👤 Fred W Duggan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:03
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31935; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2213; Y10T442/2631; Y10T442/2713
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1933052A
Cited
US2070600A
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US2186454A
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US2230876A
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GB508822A
Cited
US2222956A
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US2275957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |