Patent US2493769A successfully refreshed from Google Patents.
US2493769A
Expired / Lapsed
US
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Machine for lead coating
Assignee: HORACE C KNERR
•
Filing: 1944-07-08
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Granted: 1950-01-10
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Expires: 1964-07-08
Abstract
No abstract record available.
Inventors
- 👤 Magnin Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:40
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US176032A
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US781230A
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US914827A
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US1012048A
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US1330399A
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US1572953A
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US2068687A
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US2013047A
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US2237259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |