US2857147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coolant head for cutting disc
Assignee: CUTCRETE Manufacturing CORP
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Filing: 1956-03-15
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Granted: 1958-10-21
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Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 William H Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:52
CPC Classifications
B; B23; B23D; B23D59/00; B23D59/02; B23Q; B23Q11/00; B23Q11/10; B28; B28D; B28D7/00; B28D7/02; E; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906; E01C23/0926; E01C23/0933; Y; Y10; Y10S; Y10S29/00; Y10S29/074; Y10T; Y10T407/00; Y10T407/14
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |