Patent US1851914A successfully refreshed from Google Patents.
US1851914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture and use of new wetting preparations
Assignee: FIRM CHEMICAL WORKS FORMERLY S
•
Filing: 1930-06-03
•
Granted: 1932-03-29
•
Expires: 1950-06-03
Abstract
No abstract record available.
Inventors
- 👤 Lier Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:43
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/335; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D06M11/50; D06M13/02; D06M13/10; D06M13/12; D06M13/127; D06M13/137; D06M13/144; D06M13/152; D06M13/165; D06M13/244; D06M13/248; D06M13/256; D06M13/332; D06M13/338; D06M13/35; D06M13/402; D06M13/405; D06M13/46; D06M13/463; D06M15/00; D06M15/01; D06M15/17; D06M15/19; D06M15/37; D06M15/53; Y; Y10; Y10S; Y10S162/00; Y10S162/03; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1935-03-29 | 1935-09-28 | 1936-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-29 | 1939-09-28 | 1940-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-29 | 1943-09-28 | 1944-03-29 | $7700.00 | Window Closed / Lapsed |