Patent US2828134A successfully refreshed from Google Patents.
US2828134A
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Counter balanced chuck
Assignee: BUCK TOOL Co
•
Filing: 1955-09-26
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Granted: 1958-03-25
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Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 James R Buck
- 👤 Russell E Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:11
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16233; B23B31/14; B23B31/141; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1224; Y10T279/14; Y10T279/19; Y10T279/1961; Y10T279/1973; Y10T279/1986; Y10T279/24; Y10T279/243; Y10T279/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |