US3080591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush cleaning devices
Assignee: Individual
•
Filing: 1959-11-12
•
Granted: 1963-03-12
•
Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Reed W Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:04
CPC Classifications
A; A46; A46B; A46B17/00; A46B17/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A CLEANING DEVICE INCLUDING: A HOUSING; A PAIR OF PARALLEL SPACED SHAFTS ROTATABLY MOUNTED IN SAID HOUSING; MEANS FOR ROTATING SAID SHAFTS IN OPPOSITE DIRECTIONS, EACH OF SAID SHAFTS BEING PROVIDED WITH LONGITUDINALLY SPACED SETS OF RADIALLY EXTENDING RIGID CLEANER FINGERS, THE FINGERS OF ONE SHAFT EXTENDING BETWEEN THE FINGERS OF THE OTHER SHAFT AS THE SHAFT ROTATES, SAID HOUSING HAVE AN APERTURE DISPOSED ABOVE SAID SHAFTS WHEREBY THE BRISTLES OF A BRUSH MAY BE INSERTED INTO THE HOUSING TO BE ENGAGED BY THE CLEANER TEETH OF SAID SHAFTS; AND A PLURALITY OF STRIPPER TEETH EXTENDING CONVERGENTLY UPWARD TOWARD SAID SHAFTS AND BETWEEN ADJACENT SETS OF CLEANER FINGERS OF EACH SHAFT TO STRIP THE SHAFT AND THE FINGERS OF EXTRANEOUS MATTER WHICH MAY BE LODGED THEREON, SAID STRIPPER TEETH HAVING POINTED FREE ENDS EXTENDING PAST THE CENTRAL
Claim 2
Dependent Claim
137 words
A CLEANING DEVICE INCLUDING: A HOUSING; A PAIR OF PARALLEL SPACED SHAFTS ROTATABLY MOUNTED IN SAID HOUSING; MEANS FOR ROTATING SAID SHAFTS IN OPPOSITE DIRECTIONS, EACH OF SAID SHAFTS BEING PROVIDED WITH LONGITUDINALLY SPACED SETS OF RADIALLY EXTENDING RIGID CLEANER FINGERS, THE FINGERS OF ONE SHAFT EXTENDING BETWEEN THE FINGERS OF THE OTHER SHAFT AS THE SHAFT ROTATES, SAID HOUSING HAVE AN APERTURE DISPOSED ABOVE SAID SHAFTS WHEREBY THE BRISTLES OF A BRUSH MAY BE INSERTED INTO THE HOUSING TO BE ENGAGED BY THE CLEANER TEETH OF SAID SHAFTS; AND A PLURALITY OF STRIPPER TEETH EXTENDING CONVERGENTLY UPWARD TOWARD SAID SHAFTS AND BETWEEN ADJACENT SETS OF CLEANER FINGERS OF EACH SHAFT TO STRIP THE SHAFT AND THE FINGERS OF EXTRANEOUS MATTER WHICH MAY BE LODGED THEREON, SAID STRIPPER TEETH HAVING POINTED FREE ENDS EXTENDING PAST THE CENTRAL
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |