US2711061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust collector
Assignee: Gallagher Kaiser Corp
•
Filing: 1954-07-29
•
Granted: 1955-06-21
•
Expires: 1974-07-29
Abstract
No abstract record available.
Inventors
- 👤 August F Fegert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:14
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US776156A
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US807530A
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US1177342A
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US1148533A
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US1160628A
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US1642171A
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US1621931A
Cited
US1701815A
Cited
US1809922A
Cited
US1945864A
Cited
US2291550A
Cited
US2252455A
Cited
US2379503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |