US2701292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic furnace control
Assignee: Baker and Co Inc
•
Filing: 1951-08-08
•
Granted: 1955-02-01
•
Expires: 1971-08-08
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:38
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/1906; G05D23/1909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2325094A
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US1447517A
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US1566980A
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US1795753A
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US1868700A
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US2014926A
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US2250899A
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US2282226A
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US2568700A
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US2634360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |