Patent US1960005A successfully refreshed from Google Patents.
US1960005A
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US
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Arrangement of heating surfaces of the tubular type adapted for use in a steam generator
Assignee: Siemens Schuckertwerke AG
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Filing: 1932-12-01
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Granted: 1934-05-22
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Expires: 1952-12-01
Abstract
No abstract record available.
Inventors
- 👤 Gleichmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:11
CPC Classifications
F; F22; F22B; F22B29/00; F22B29/06; F22B29/061; F22B29/064; Y; Y10; Y10S; Y10S122/00; Y10S122/04
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) | 1937-05-21 | 1937-11-20 | 1938-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-21 | 1941-11-20 | 1942-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-21 | 1945-11-20 | 1946-05-22 | $7700.00 | Window Closed / Lapsed |