Patent US2505455A successfully refreshed from Google Patents.
US2505455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner control
Assignee: Servel Inc
•
Filing: 1945-06-08
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Granted: 1950-04-25
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Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 Sven W E Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:43
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US424617A
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US470653A
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US2227901A
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US1819560A
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US1842335A
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US2015289A
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US1977216A
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US2144121A
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US2200187A
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US2308555A
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US2372307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |