US2932041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating chuck
Assignee: Individual
•
Filing: 1957-09-23
•
Granted: 1960-04-12
•
Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 William L Benninghoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:24
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/22; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q2703/00; B23Q2703/02; B23Q2703/04; Y; Y10; Y10S; Y10S470/00; Y10S470/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1967507A
Cited
US2798234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |