US3077802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of working materials
Assignee: Distillers Co Yeast Ltd
•
Filing: 1954-09-10
•
Granted: 1963-02-19
•
Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 Philip Thomas Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:02
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/10; B23B51/00; B23B51/06; B23Q; B23Q11/00; B23Q11/10; B23Q11/1015; B23Q11/1023; C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L10/00; C10M; C10M1/00; C10M1/08; D; D01; D01F; D01F4/00; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/127; C10L1/16; C10L1/1608; C10L1/1616; C10L1/18; C10L1/1817; C10L1/182; C10L1/1828; C10L1/188; C10L1/24; C10L1/2431; C10L1/2437; C10M2201/00; C10M2201/06; C10M2201/064; C10M2203/00; C10M2203/06; C10M2205/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/027; C10M2207/028; C10M2207/10; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/20; C10M2207/26; C10M2207/262; C10M2209/00; C10M2209/10; C10M2209/101; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2227/00; C10M2227/08; C10M2227/081; C10M2227/082; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; Y; Y10; Y10T; Y10T407/00; Y10T407/14; Y10T407/26; Y10T407/28; Y10T82/00; Y10T82/30; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN THE METHOD OF WORKING METALS BY MEANS OF CUTTING TOOLS USING CARBON DIOXIDE AS COOLANT, THE IMPROVEMENT WHICH COMPRISES INTRODUCING LIQUID CARBON DIOXIDE UNDER PRESSURE INTO THE INTERIOR OF THE CUTTING TOOL, ALLOWING THE CARBON DIOXIDE TO EXPAND WITHIN THE TOOL IN THE VICINITY OF
Claim 2
Dependent Claim
46 words
IN THE METHOD OF WORKING METALS BY MEANS OF CUTTING TOOLS USING CARBON DIOXIDE AS COOLANT, THE IMPROVEMENT WHICH COMPRISES INTRODUCING LIQUID CARBON DIOXIDE UNDER PRESSURE INTO THE INTERIOR OF THE CUTTING TOOL, ALLOWING THE CARBON DIOXIDE TO EXPAND WITHIN THE TOOL IN THE VICINITY OF
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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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |