US2429827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for indicating or regulating the temperature of furnaces or the like
Assignee: ABB Norden Holding AB
•
Filing: 1942-04-18
•
Granted: 1947-10-28
•
Expires: 1962-04-18
Abstract
No abstract record available.
Inventors
- 👤 Lamm Uno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1276589A
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US1743737A
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US1955322A
Cited
US1996041A
Cited
US2079466A
Cited
GB497768A
Cited
US2277849A
Cited
US2341526A
Cited
US2276822A
Cited
US2310955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |