Patent US2863193A successfully refreshed from Google Patents.
US2863193A
Expired / Lapsed
US
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Casting-mold pattern-board fixture and apparatus
Assignee: Individual
•
Filing: 1956-05-22
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Granted: 1958-12-09
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Expires: 1976-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis Le Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:13
CPC Classifications
B; B22; B22C; B22C19/00; B22C19/02; B22C7/00; B22C7/04; B22C9/00; B22C9/02; B22C9/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717245A
Cited
USRE21046E
Cited
US1922744A
Cited
US2346182A
Cited
US2435507A
Cited
US2672664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |