Patent US2725459A successfully refreshed from Google Patents.
US2725459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable-tank degreaser
Assignee: Currier Co
•
Filing: 1952-11-03
•
Granted: 1955-11-29
•
Expires: 1972-11-03
Abstract
No abstract record available.
Inventors
- 👤 Currier Farnsworth
- 👤 John L Boyen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:55
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1938841A
Cited
US1927686A
Cited
US2057177A
Cited
US2016376A
Cited
US2161793A
Cited
US2305166A
Cited
US2289023A
Cited
US2318455A
Cited
US2456335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |