Patent US2558623A successfully refreshed from Google Patents.
US2558623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side broom assembly and drive
Assignee: Elgin Sweeper Co
•
Filing: 1946-07-31
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Granted: 1951-06-26
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Expires: 1966-07-31
Abstract
No abstract record available.
Inventors
- 👤 Carl W Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:45
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/02; E01H1/05; E01H1/053
Claims Analysis
Total Claims: 0
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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) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |