US2526355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizing apparatus
Assignee: Riley Power Inc
•
Filing: 1946-03-21
•
Granted: 1950-10-17
•
Expires: 1966-03-21
Abstract
No abstract record available.
Inventors
- 👤 Hesse Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:24
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567513A
Cited
US1321201A
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US672833A
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US1331969A
Cited
US1427234A
Cited
US1819093A
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US2020871A
Cited
GB395912A
Cited
US2128848A
Cited
US2174630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |