US2400487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite sheet material
Assignee: Goodall-Sanford Inc
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Filing: 1942-02-28
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Granted: 1946-05-21
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Expires: 1962-02-28
Abstract
No abstract record available.
Inventors
- 👤 Frank W Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:07
CPC Classifications
D; D03; D03D; D03D27/00; A; A43; A43B; A43B13/00; A43B13/14; A43B13/22; A46; A46B; A46B3/00; D06; D06N; D06N7/00; D06N7/0063; D06N7/0068; D06N7/0071; D06N7/0073; D06N7/0081; D06N2201/00; D06N2201/04; D06N2201/042; D06N2201/06; D06N2203/00; D06N2203/02; D06N2203/022; D06N2209/00; D06N2209/10; D06N2209/106; D06N2209/12; D06N2209/126; D06N2209/128; D06N2209/16; D06N2209/1685; D06N2211/00; D06N2211/10; D06N2211/106; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929; Y10T428/23936; Y10T428/23957; Y10T428/23964; Y10T428/23979; Y10T428/23986
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) | 1949-05-20 | 1949-11-19 | 1950-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-20 | 1953-11-19 | 1954-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-20 | 1957-11-19 | 1958-05-21 | $7700.00 | Window Closed / Lapsed |