Patent US2580716A successfully refreshed from Google Patents.
US2580716A
Expired / Lapsed
US
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Method and means for removing material from a solid body
Assignee: Individual
•
Filing: 1951-01-11
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Granted: 1952-01-01
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Expires: 1971-01-11
Abstract
No abstract record available.
Inventors
- 👤 Balamuth Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:51
CPC Classifications
G; G04; G04D; G04D3/00; G04D3/0002; B; B24; B24B; B24B1/00; B24B1/04; B24B47/00; B24B47/02; B24B47/04; Y; Y10; Y10S; Y10S29/00; Y10S29/046; Y10S451/00; Y10S451/91; Y10S451/913; Y10S82/00; Y10S82/904; Y10T; Y10T74/00; Y10T74/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2384435A
Cited
US1664823A
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US1718347A
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US1966446A
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US2070944A
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US2293100A
Cited
GB553176A
Cited
US2460919A
Cited
US2363946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |