Patent US1860158A successfully refreshed from Google Patents.
US1860158A
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Method of making laminated insulation explosion chamber members
Assignee: General Electric Co
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Filing: 1929-04-25
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Granted: 1932-05-24
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Expires: 1949-04-25
Abstract
No abstract record available.
Inventors
- 👤 Charles F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:01
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/345; B29K; B29K2021/00; B29K2711/00; B29K2711/12; B29K2711/126; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1028; Y10T156/1033; Y10T156/1043
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) | 1935-05-24 | 1935-11-23 | 1936-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-24 | 1939-11-23 | 1940-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-24 | 1943-11-23 | 1944-05-24 | $7700.00 | Window Closed / Lapsed |