Patent US2810556A successfully refreshed from Google Patents.
US2810556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitators for fluid cooling tanks and the like
Assignee: Tormag Transmissions Ltd
•
Filing: 1955-03-14
•
Granted: 1957-10-22
•
Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Igor V Zozulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:31
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/45; B01F33/453; B01F33/4534; B01F33/452; B01F33/4535
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1420773A
Cited
US1724594A
Cited
US1869590A
Cited
US2495895A
Cited
US2556854A
Cited
US2711306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |