US3210794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Individual
•
Filing: 1964-05-12
•
Granted: 1965-10-12
•
Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Vosbikian James Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:45
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4075; A47L11/32; A47L11/325; A47L11/4036; A47L11/4052; A47L11/4058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A CLEANING DEVICE COMPRISING A HANDLE, A HEAD TO WHICH THE HANDLE IS PIVOTALLY CONNECTED, SAID HEAD HAVING CLOSED SIDES AND ENDS OPEN AT ITS BOTTOM, A CHANNEL EXTENDING LONGITUDINALLY IN THE HEAD WITH CLOSED SIDES AND ENDS, A BRUSH COMPRISING A BACK AND BRISTLES, WITH THE BACK MOUNTED IN SAID CHANNEL, END BRACKETS FIXED WITHIN SAID HEAD, AND HAVING MEANS TO LIMIT DOWNWARD MOVEMENT OF THE BRUSH, SPRINGS TENDING TO MOVE THE BRUSH DOWNWARDLY, RESILIENT ROLLERS CARRIED BY SAID END BRACKETS AT OPPOSITE SIDES OF THE BRUSH, A TANK HAVING A VALVE CONTROLLED DISCHARGE PORT, COMMUNICATING THROUGH THE TOP WALL OF SAID HEAD INTO SAID CHANNEL, THE BACK OF SAID BRUSH HAVING A CHANNEL OPENING THROUGH ITS TOP AND HAVING APERTURES TERMINATING ABOVE THE BOTTOM OF THE CHANNEL IN THE BACK AND DISCHARGING TO THE BRISTLES OF THE BRUSH.
Claim 2
Dependent Claim
140 words
A CLEANING DEVICE COMPRISING A HANDLE, A HEAD TO WHICH THE HANDLE IS PIVOTALLY CONNECTED, SAID HEAD HAVING CLOSED SIDES AND ENDS OPEN AT ITS BOTTOM, A CHANNEL EXTENDING LONGITUDINALLY IN THE HEAD WITH CLOSED SIDES AND ENDS, A BRUSH COMPRISING A BACK AND BRISTLES, WITH THE BACK MOUNTED IN SAID CHANNEL, END BRACKETS FIXED WITHIN SAID HEAD, AND HAVING MEANS TO LIMIT DOWNWARD MOVEMENT OF THE BRUSH, SPRINGS TENDING TO MOVE THE BRUSH DOWNWARDLY, RESILIENT ROLLERS CARRIED BY SAID END BRACKETS AT OPPOSITE SIDES OF THE BRUSH, A TANK HAVING A VALVE CONTROLLED DISCHARGE PORT, COMMUNICATING THROUGH THE TOP WALL OF SAID HEAD INTO SAID CHANNEL, THE BACK OF SAID BRUSH HAVING A CHANNEL OPENING THROUGH ITS TOP AND HAVING APERTURES TERMINATING ABOVE THE BOTTOM OF THE CHANNEL IN THE BACK AND DISCHARGING TO THE BRISTLES OF THE BRUSH.
References Cited (Backward Citations)
US3170186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |