US2722033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for actuating soot blowers
Assignee: Diamond Power Specialty Corp
•
Filing: 1950-05-12
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Granted: 1955-11-01
•
Expires: 1970-05-12
Abstract
No abstract record available.
Inventors
- 👤 Roy J Glinn
- 👤 Percy G Handoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:35
CPC Classifications
F; F28; F28G; F28G15/00; F28G15/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1804; Y10T74/18416; Y10T74/18464; Y10T74/1848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB576077A
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US1322627A
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US1535495A
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DE472214C
Cited
US1924550A
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US2008510A
Cited
US1161480A
Cited
GB432792A
Cited
US2303152A
Cited
US2298995A
Cited
US2309889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |