Patent US2601332A successfully refreshed from Google Patents.
US2601332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ash remover for stokers
Assignee: Beazer East Inc
•
Filing: 1950-05-02
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Granted: 1952-06-24
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Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Chester E Shaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:48
CPC Classifications
F; F23; F23J; F23J1/00; F23J2700/00; F23J2700/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1785456A
Cited
US1933656A
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US1971716A
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US1992149A
Cited
US2248206A
Cited
US2388294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |