Patent US3693720A successfully refreshed from Google Patents.
Patent US2537716A successfully refreshed from Google Patents.
US2537716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap dissolver and mixer
Assignee: Individual
•
Filing: 1948-07-21
•
Granted: 1951-01-09
•
Expires: 1968-07-21
Abstract
No abstract record available.
Inventors
- 👤 Terauchi Seichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:44
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/046
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1077590A
Cited
US1264772A
Cited
US1611773A
Cited
US1668802A
Cited
US1582225A
Cited
US1882911A
Cited
US1908141A
Cited
US1981623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |