Patent US2589264A successfully refreshed from Google Patents.
US2589264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draft connection
Assignee: American Steel Foundries
•
Filing: 1946-03-18
•
Granted: 1952-03-18
•
Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Edmund P Kinne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:24
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/20; B61G9/24; B61G7/00; B61G7/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US829731A
Cited
US1215315A
Cited
US1498540A
Cited
US1608386A
Cited
US2003221A
Cited
US2019311A
Cited
US2157363A
Cited
US2241353A
Cited
US2254302A
Cited
US2251982A
Cited
US2454514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |