US2680569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction disposal attachment for ash receptacles
Assignee: LESLIE PAUL NICHOLAS
•
Filing: 1952-04-15
•
Granted: 1954-06-08
•
Expires: 1972-04-15
Abstract
No abstract record available.
Inventors
- 👤 Peter J Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:37
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)
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US1191237A
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US1464080A
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US1445930A
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US1608183A
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US1910170A
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US1992450A
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US2299668A
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US2312612A
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US2324844A
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US2340457A
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US2561275A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |