Patent US2038368A successfully refreshed from Google Patents.
US2038368A
Expired / Lapsed
US
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Carpet or rug made of sponge material
Assignee: Individual
•
Filing: 1934-01-22
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Granted: 1936-04-21
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Expires: 1954-01-22
Abstract
No abstract record available.
Inventors
- 👤 Lang John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:05
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/02; A47G27/0243; A47G27/025; B; B32; B32B; B32B25/00; B32B25/04; B32B3/00; B32B3/10; B32B3/14; B32B3/16; B32B5/00; B32B5/18; B32B5/22; B32B5/32; B32B7/00; B32B7/04; B32B7/06; B32B7/08; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/169; Y10T428/24; Y10T428/24628; Y10T428/24736
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) | 1939-04-21 | 1939-10-21 | 1940-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-21 | 1943-10-21 | 1944-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-21 | 1947-10-21 | 1948-04-21 | $7700.00 | Window Closed / Lapsed |