US2642104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutterhead guard for vertical spindle shapers
Assignee: Individual
•
Filing: 1950-04-11
•
Granted: 1953-06-16
•
Expires: 1970-04-11
Abstract
No abstract record available.
Inventors
- 👤 William E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:58
CPC Classifications
B; B27; B27G; B27G21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US260974A
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US694835A
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US822636A
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US1001391A
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US883148A
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US925114A
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GB190818732A
Cited
US1025866A
Cited
US1339121A
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US1592190A
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US2054518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |