Patent US3370312A successfully refreshed from Google Patents.
US3370312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable street sweeper gutter broom
Assignee: Wayne Manufacturing Co
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Filing: 1966-04-11
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Granted: 1968-02-27
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Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 Tamny Simon
- 👤 Robert E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:55
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1557166A
Cited
US1892926A
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US2853729A
Cited
GB861958A
Cited
US3163031A
Cited
US3074094A
Cited
US3142854A
Cited
US3228053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |