US2848790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coolant directing cutting tool assembly
Assignee: Allegheny Ludlum Steel Corp
•
Filing: 1953-11-12
•
Granted: 1958-08-26
•
Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 George E Mcmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:42
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/10; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/118; Y10T407/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US178170A
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US1854672A
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US2550645A
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US2653517A
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US2713282A
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US2683303A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |