US2303364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and product for making textile and other material water repellent
Assignee: Heberlein Patent Corp
•
Filing: 1938-11-05
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Granted: 1942-12-01
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Expires: 1958-11-05
Abstract
No abstract record available.
Inventors
- 👤 Schirm Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:41
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/07; D21H17/08; D06; D06M; D06M13/00; D06M13/322; D06M13/395; D06M15/00; D06M15/19; D06M15/37; D06M15/564
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) | 1945-11-30 | 1946-06-01 | 1946-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-30 | 1950-06-01 | 1950-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-30 | 1954-06-01 | 1954-12-01 | $7700.00 | Window Closed / Lapsed |