US2934331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making a metal slurry product
Assignee: Individual
•
Filing: 1955-12-22
•
Granted: 1960-04-26
•
Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Walsh
- 👤 Walter R Witzke
- 👤 George M Prok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:32
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/12; B01; B01F; B01F23/00; B01F23/50; B01F23/59; C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1208; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US706475A
Cited
US1918283A
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US1972447A
Cited
US2159433A
Cited
US2431554A
Cited
US2513339A
Cited
US2712989A
Cited
US2712497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |