Patent US2765853A successfully refreshed from Google Patents.
Patent US2374742A successfully refreshed from Google Patents.
US2374742A
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Electrically heated drum-type furnace
Assignee: Individual
•
Filing: 1943-07-30
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Granted: 1945-05-01
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Expires: 1963-07-30
Abstract
No abstract record available.
Inventors
- 👤 Gallusser Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:39
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/16; B; B01; B01J; B01J19/00; B01J19/28; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00099; B01J2219/00132; B01J2219/0015; B01J2219/00155; B01J2219/00159
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) | 1948-04-30 | 1948-10-30 | 1949-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-30 | 1952-10-30 | 1953-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-30 | 1956-10-30 | 1957-05-01 | $7700.00 | Window Closed / Lapsed |