Patent US2642129A successfully refreshed from Google Patents.
US2642129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner for immersion heaters
Assignee: BREESE BURNERS Inc
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Filing: 1951-02-16
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Granted: 1953-06-16
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Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
- 👤 James L Breese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:25
CPC Classifications
F; F23; F23C; F23C3/00; F23C3/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US949648A
Cited
US883373A
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US967657A
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US1871108A
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US1965835A
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US2247239A
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US2501847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |