Patent US2864112A successfully refreshed from Google Patents.
US2864112A
Expired / Lapsed
US
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Street sweeper brush and holder
Assignee: NEWARK BRUSH Co
•
Filing: 1955-04-22
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Granted: 1958-12-16
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Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
- 👤 Nielsen Albert Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:27
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US936699A
Cited
GB168694A
Cited
GB196724A
Cited
US1574530A
Cited
US1637823A
Cited
US2153294A
Cited
US2613383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |