US2418404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kelly cock
Assignee: Shaffer Tool Works
•
Filing: 1944-02-08
•
Granted: 1947-04-01
•
Expires: 1964-02-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:54
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/04; F16K5/0492; F16K5/0457; F16K5/0471; F16K5/08; F16K5/14; F16K5/18; F16K5/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1309732A
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US1322197A
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US1502106A
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US1569285A
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US2035818A
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US2329981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-31 | 1950-09-30 | 1951-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-31 | 1954-09-30 | 1955-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-31 | 1958-09-30 | 1959-04-01 | $7700.00 | Window Closed / Lapsed |