Patent US2392239A successfully refreshed from Google Patents.
US2392239A
Expired / Lapsed
US
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Bituminous roofing material
Assignee: Philip Carey Manufacturing Co
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Filing: 1942-05-05
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Granted: 1946-01-01
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Expires: 1962-05-05
Abstract
No abstract record available.
Inventors
- 👤 George A Fasold
- 👤 Harold W Greider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:42
CPC Classifications
D; D06; D06N; D06N5/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24413; Y10T428/24421; Y10T428/31504; Y10T428/31815; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-12-31 | 1949-07-02 | 1950-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-31 | 1953-07-02 | 1954-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-31 | 1957-07-02 | 1958-01-01 | $7700.00 | Window Closed / Lapsed |