Patent US5695497A successfully refreshed from Google Patents.
US3233272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brush
Assignee: Individual
•
Filing: 1964-03-23
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Granted: 1966-02-08
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Pambello Samuel Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:51
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/005; A46B1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A ROTARY BRUSH COMPRISING ROTATABLE STRUCTURE; AND A BRUSHING ELEMENT FORMED OF A SINGLE UNITARY STRIP OF SPIRALLY PREFORMED YIELDABLE PLASTIC MATERIAL ARRANGED AS A SPIRAL ON SAID STRUCTURE WITH THE CONVOLUTIONS OF THE SPIRAL ADJACENT EACH OTHER, SAID STRIP HAVING A BASE FORMED WITH A SURFACE FACING SAID STRUCTURE AND WITH A PAIR OF PARALLEL OPPOSITE SIDE AND HAVING INTEGRALLY FORMED VANE MEANS EXTENDING OUTWARDLY FROM SAID BASE PROVIDED WITH A TIP AT THE OUTER END THEREOF TO EFFECT BRUSHING, SAID BASE HAVING MALE AND FEMALE INTERENGAGING FORMATIONS OF SUBSTANTIALLY UNIFORM DIMENSIONS THROUGHOUT THE LENGTH OF SAID STRIP FOR UNITING ADJACENT STRIP CONVOLUTIONS AGAINST LATERAL SEPARATION AND PERMITTING RELATIVE SLIDING MOVEMENT BETWEEN ADJACENT CONVOLUTIONS, WHEREBY UPON ROTATION OF SAID STRUCTURE IN A GIVEN DIRECTION THE SPIRAL TENDS TO BE WOUND UP TO FORM A RUGGED UNITARY BRUSH STRUCTURE.
Claim 2
Dependent Claim
139 words
A ROTARY BRUSH COMPRISING ROTATABLE STRUCTURE; AND A BRUSHING ELEMENT FORMED OF A SINGLE UNITARY STRIP OF SPIRALLY PREFORMED YIELDABLE PLASTIC MATERIAL ARRANGED AS A SPIRAL ON SAID STRUCTURE WITH THE CONVOLUTIONS OF THE SPIRAL ADJACENT EACH OTHER, SAID STRIP HAVING A BASE FORMED WITH A SURFACE FACING SAID STRUCTURE AND WITH A PAIR OF PARALLEL OPPOSITE SIDE AND HAVING INTEGRALLY FORMED VANE MEANS EXTENDING OUTWARDLY FROM SAID BASE PROVIDED WITH A TIP AT THE OUTER END THEREOF TO EFFECT BRUSHING, SAID BASE HAVING MALE AND FEMALE INTERENGAGING FORMATIONS OF SUBSTANTIALLY UNIFORM DIMENSIONS THROUGHOUT THE LENGTH OF SAID STRIP FOR UNITING ADJACENT STRIP CONVOLUTIONS AGAINST LATERAL SEPARATION AND PERMITTING RELATIVE SLIDING MOVEMENT BETWEEN ADJACENT CONVOLUTIONS, WHEREBY UPON ROTATION OF SAID STRUCTURE IN A GIVEN DIRECTION THE SPIRAL TENDS TO BE WOUND UP TO FORM A RUGGED UNITARY BRUSH STRUCTURE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |