US3490090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile street cleaning apparatus
Assignee: CHARLES J HARRISON
•
Filing: 1967-07-13
•
Granted: 1970-01-20
•
Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Charles J Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:11
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836; E01H1/0845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR596121A
Cited
DE528899C
Cited
US2530720A
Cited
US2689368A
Cited
US2677223A
Cited
US2809389A
Cited
FR1217672A
Cited
US3186021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |