US2778353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel dresser
Assignee: Gleason Works
•
Filing: 1954-01-05
•
Granted: 1957-01-22
•
Expires: 1974-01-05
Abstract
No abstract record available.
Inventors
- 👤 Leonard O Carlsen
- 👤 William C Critchley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:50
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2422964A
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US1753092A
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DE658398C
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US2187228A
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US2171902A
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US2246461A
Cited
US2186363A
Cited
US2326661A
Cited
US2381150A
Cited
GB700800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |