Patent US2210402A successfully refreshed from Google Patents.
US2210402A
Expired / Lapsed
US
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Method of removing metal from metallic bodies
Assignee: Linde Air Products Co
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Filing: 1937-02-27
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Granted: 1940-08-06
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Expires: 1957-02-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John M Gaines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:05
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/38; F23D14/42; B; B23; B23K; B23K7/00; Y; Y10; Y10S; Y10S266/00; Y10S266/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-08-06 | 1944-02-05 | 1944-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-06 | 1948-02-05 | 1948-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-06 | 1952-02-05 | 1952-08-06 | $7700.00 | Window Closed / Lapsed |