US2948032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal casting molds
Assignee: ChampionX LLC
•
Filing: 1958-05-05
•
Granted: 1960-08-09
•
Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Reuter Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:06
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1901427A
Cited
US2244325A
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GB575734A
Cited
GB626906A
Cited
US2521839A
Cited
US2680890A
Cited
US2628394A
Cited
US2759232A
Cited
US2806270A
Cited
US2842444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |