Patent US730932A successfully refreshed from Google Patents.
Patent US2548676A successfully refreshed from Google Patents.
US2548676A
Expired / Lapsed
US
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Rotary brush sweeper attachment for power vehicles
Assignee: Mercury Manufacturing Co
•
Filing: 1945-11-26
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Granted: 1951-04-10
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Expires: 1965-11-26
Abstract
No abstract record available.
Inventors
- 👤 Harold E Milz
- 👤 Jr John J Sichman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:41
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/02; E01H1/05; E01H1/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1846507A
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US2212677A
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US2199703A
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US2286245A
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US2251523A
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US2259632A
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US2330025A
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US2313412A
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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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |