US2051843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a waterproof scroop on fiber materials
Assignee: AMERICAN HYALSOL Corp
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Filing: 1934-05-11
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Granted: 1936-08-25
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Expires: 1954-05-11
Abstract
No abstract record available.
Inventors
- 👤 Gotte Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:59
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/335; D06M13/244; D06M13/248; D06M13/256; D06M13/35; D06M13/402; D06M13/46; D06M13/463; D06M13/47; D06M13/477; D06M23/00; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2221; Y10T442/2246
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) | 1939-08-25 | 1940-02-24 | 1940-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-25 | 1944-02-24 | 1944-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-25 | 1948-02-24 | 1948-08-25 | $7700.00 | Window Closed / Lapsed |