Patent US3193867A successfully refreshed from Google Patents.
US3193867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street cleaning apparatus
Assignee: CENTRAL ENGINEERING Co IN
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Filing: 1963-08-12
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Granted: 1965-07-13
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Daneman Ben
- 👤 Howard E Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:43
CPC Classifications
E; E01; E01H; E01H3/00; E01H3/02; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US274060A
Cited
US1322359A
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US983352A
Cited
US1388510A
Cited
US1560612A
Cited
GB259402A
Cited
US1969674A
Cited
US3011206A
Cited
US3052908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |