Patent US2092756A successfully refreshed from Google Patents.
US2092756A
Expired / Lapsed
US
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Elastic foraminous sheet material
Assignee: Individual
•
Filing: 1934-02-03
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Granted: 1937-09-14
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Expires: 1954-02-03
Abstract
No abstract record available.
Inventors
- 👤 Grabec Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/38; B29C33/0033; B29C43/00; B29C43/32; B29C43/36; B29C43/40; B29C2043/3665; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/48; Y; Y10; Y10S; Y10S264/00; Y10S264/70; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/31504; Y10T428/31826
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) | 1940-09-13 | 1941-03-15 | 1941-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-09-13 | 1945-03-15 | 1945-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-09-13 | 1949-03-15 | 1949-09-14 | $7700.00 | Window Closed / Lapsed |