Patent US1606142A successfully refreshed from Google Patents.
US1606142A
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US
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Centrifugal oil burner
Assignee: Drying Systems Inc
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Filing: 1924-08-29
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Granted: 1926-11-09
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Expires: 1944-08-29
Abstract
No abstract record available.
Inventors
- 👤 Burrell Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:11
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/04; F23D11/08
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) | 1929-11-08 | 1930-05-10 | 1930-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-11-08 | 1934-05-10 | 1934-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-11-08 | 1938-05-10 | 1938-11-09 | $7700.00 | Window Closed / Lapsed |