Patent US2171805A successfully refreshed from Google Patents.
US2171805A
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Resilient material
Assignee: EIDP Inc
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Filing: 1937-07-02
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Granted: 1939-09-05
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Expires: 1957-07-02
Abstract
No abstract record available.
Inventors
- 👤 Picard Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:01
CPC Classifications
A; A47; A47C; A47C27/00; Y; Y10; Y10S; Y10S428/00; Y10S428/905; Y10T; Y10T152/00; Y10T152/10; Y10T152/10036; Y10T152/10054; Y10T152/10279; Y10T152/10378; Y10T152/10387; Y10T152/10396; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2975
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) | 1942-09-04 | 1943-03-06 | 1943-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-04 | 1947-03-06 | 1947-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-04 | 1951-03-06 | 1951-09-05 | $7700.00 | Window Closed / Lapsed |