Patent US2561275A successfully refreshed from Google Patents.
US2561275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ash collector with shredding means
Assignee: Individual
•
Filing: 1948-04-26
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Granted: 1951-07-17
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Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 William E Hentschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:53
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/08; B60N3/083; B60N3/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596686A
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US1331872A
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US1733801A
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US1707752A
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US1755089A
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US1827360A
Cited
US1905403A
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DE709153C
Cited
US2299668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |