US2241312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of laminated fibrous articles
Assignee: Evonik Operations GmbH
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Filing: 1939-01-14
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Granted: 1941-05-06
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Expires: 1959-01-14
Abstract
No abstract record available.
Inventors
- 👤 Luty Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:23
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/45; B27; B27D; B27D1/00; B27D1/04; B29C65/00; B29C65/02; B29C65/34; B29C65/3404; B29C65/342; B29C65/344; B29C65/3472; B29C65/3476; B29C65/36; B29C65/3604; B29C65/362; B29C65/364; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; F; F24; F24D; F24D13/00; F24D13/02; B29C65/3672; B29C65/3676; B29C65/368; B29K; B29K2711/00; B29K2711/14; Y; Y02; Y02B; Y02B30/00; Y10; Y10S; Y10S285/00; Y10S285/915; Y10S52/00; Y10S52/07; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/3196; Y10T428/31971; Y10T428/31989
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) | 1944-05-05 | 1944-11-04 | 1945-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-05-05 | 1948-11-04 | 1949-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-05-05 | 1952-11-04 | 1953-05-06 | $7700.00 | Window Closed / Lapsed |