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US2671247A
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Mold overload compensator
Assignee: Lester Engineering Co
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Filing: 1949-07-16
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Granted: 1954-03-09
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Expires: 1969-07-16
Abstract
No abstract record available.
Inventors
- 👤 Lester Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:55
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2035801A
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US2202140A
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US2187212A
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US2232679A
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US2365282A
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US2372833A
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US2448676A
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US2433132A
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US2476272A
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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) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |