Patent US2784976A successfully refreshed from Google Patents.
US2784976A
Expired / Lapsed
US
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Self-locking ball bearing hand chuck
Assignee: Supreme Products Corp
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Filing: 1954-06-10
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Granted: 1957-03-12
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Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Elmer J Ondeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:59
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; B23B31/1253; Y; Y10; Y10S; Y10S279/00; Y10S279/902; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17504; Y10T279/17666; Y10T279/17692; Y10T279/17701; Y10T279/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1425213A
Cited
US1488001A
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US2459899A
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US2413421A
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US2406444A
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US2535105A
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US2629414A
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US2683041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |