Patent US2497386A successfully refreshed from Google Patents.
US2497386A
Expired / Lapsed
US
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Bar stock marking machine
Assignee: Parker Appliance Co
•
Filing: 1943-11-22
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Granted: 1950-02-14
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Expires: 1963-11-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Zarobsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:16
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/0047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US382441A
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US422594A
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US445291A
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US1367066A
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US1018849A
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US1153550A
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US1383552A
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US1480025A
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US1842491A
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US1677927A
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US2380004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |