Patent US3492684A successfully refreshed from Google Patents.
US3492684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven rotary end brush
Assignee: Sherwin Williams Co
•
Filing: 1968-04-01
•
Granted: 1970-02-03
•
Expires: 1988-04-01
Abstract
No abstract record available.
Inventors
- 👤 Robert L Altemare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:38
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/08; A46B7/00; A46B7/06; A46B7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1593044A
Cited
US2421647A
Cited
US2608034A
Cited
US2866216A
Cited
US3383727A
Cited
US3382521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |