Patent US2597816A successfully refreshed from Google Patents.
US2597816A
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US
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Toolholding chuck
Assignee: Rexnord Industries LLC
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Filing: 1948-12-10
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Granted: 1952-05-20
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Expires: 1968-12-10
Abstract
No abstract record available.
Inventors
- 👤 Podjaski Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:37
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1071; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T279/17692; Y10T279/17743; Y10T279/17752
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191204440A
Cited
GB191301732A
Cited
US1124981A
Cited
US1252253A
Cited
US1377663A
Cited
US1636421A
Cited
US2403330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |