Patent US2940522A successfully refreshed from Google Patents.
US2940522A
Expired / Lapsed
US
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Cutting tool
Assignee: US Industries Inc
•
Filing: 1957-03-05
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Granted: 1960-06-14
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Expires: 1977-03-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Taylor
- 👤 William K Holleron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:28
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/006; E21B17/00; E21B17/10; E21B17/1057; E21B29/00; E21B29/002; E21B29/005; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1942; Y10T407/1952; Y10T407/1962; Y10T407/24; Y10T407/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923487A
Cited
US2299528A
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US2353284A
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US2690217A
Cited
US2690897A
Cited
US2693938A
Cited
US2725936A
Cited
FR1115540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |