Patent US2626053A successfully refreshed from Google Patents.
US2626053A
Expired / Lapsed
US
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Molders station sand screen
Assignee: Simpson Herbert Corp
•
Filing: 1947-08-05
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Granted: 1953-01-20
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Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Robert L Mcilvaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:58
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/06
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |