Patent US1739039A successfully refreshed from Google Patents.
US2108722A
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Laminated corrosion resistant structure
Assignee: American Lurgi Corp
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Filing: 1935-03-01
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Granted: 1938-02-15
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Expires: 1955-03-01
Abstract
No abstract record available.
Inventors
- 👤 Miedel Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:34
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/84; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10S524/00; Y10S524/925; Y10S524/926; Y10T; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/172; Y10T442/174
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) | 1941-02-14 | 1941-08-16 | 1942-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-14 | 1945-08-16 | 1946-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-14 | 1949-08-16 | 1950-02-15 | $7700.00 | Window Closed / Lapsed |