US2111113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sponged sheet material
Assignee: Individual
•
Filing: 1931-01-20
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Granted: 1938-03-15
•
Expires: 1951-01-20
Abstract
No abstract record available.
Inventors
- 👤 Albert C Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:18
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/10; E04F15/105; B; B29; B29K; B29K2007/00; B29K2105/00; B29K2105/04; E04F2203/00; E04F2203/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/3183
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) | 1941-03-14 | 1941-09-13 | 1942-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-14 | 1945-09-13 | 1946-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-14 | 1949-09-13 | 1950-03-15 | $7700.00 | Window Closed / Lapsed |