US2040529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for saturating absorbent sheet material
Assignee: Barrett Co Inc
•
Filing: 1933-08-26
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Granted: 1936-05-12
•
Expires: 1953-08-26
Abstract
No abstract record available.
Inventors
- 👤 Pearl John Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/61; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H5/00; D21H5/0005; D21H5/0012; D21H5/0015
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) | 1939-05-12 | 1939-11-11 | 1940-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-12 | 1943-11-11 | 1944-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-12 | 1947-11-11 | 1948-05-12 | $7700.00 | Window Closed / Lapsed |