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Patent US2579189A successfully refreshed from Google Patents.
US2579189A
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Assignee: Individual
•
Filing: 1948-05-03
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Granted: 1951-12-18
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Expires: 1968-05-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Jenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:42
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1553442A
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US1768980A
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US1718125A
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US1845213A
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US2029812A
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DE682622C
Cited
US2230376A
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US2452178A
Cited
US2508106A
Cited
US2437234A
Cited
US2484616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |