US2665461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blow plate seal for core blowing machines
Assignee: Kaiser Willys Corp
•
Filing: 1949-07-30
•
Granted: 1954-01-12
•
Expires: 1969-07-30
Abstract
No abstract record available.
Inventors
- 👤 Rodgers Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:29
CPC Classifications
B; B22; B22C; B22C21/00; B22C21/12; B22C7/00; B22C7/06; B22C7/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1594598A
Cited
US1889905A
Cited
US2157983A
Cited
US2208620A
Cited
US2203123A
Cited
US2423341A
Cited
US2510417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |