Patent US2828037A successfully refreshed from Google Patents.
US2828037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street sweeper dirt box assembly
Assignee: Elgin Sweeper Co
•
Filing: 1954-09-24
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Granted: 1958-03-25
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Expires: 1974-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles T Link
- 👤 Robert F Schmidt
- 👤 John S Gooden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:59
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/02; E01H1/04; E01H1/047
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |