US2478846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding fluids to cutting tools
Assignee: Libbey Owens Ford Glass Co
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Filing: 1946-11-08
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Granted: 1949-08-09
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Expires: 1966-11-08
Abstract
No abstract record available.
Inventors
- 👤 Harlen E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:08
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/46; E21B10/48; B; B23; B23Q; B23Q11/00; B23Q11/10; B23Q11/1007; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/041; E21B21/00; E21B21/01; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/455; Y10T408/81; Y10T408/89; Y10T408/907
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) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |