Patent US3278966A successfully refreshed from Google Patents.
US3278966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brushes
Assignee: Dendix Brushes Ltd
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Filing: 1965-07-22
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Granted: 1966-10-18
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Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Godfrey Leonard Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:48
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/16; A46B13/00; A46B13/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A ROTARY BRUSH COMPRISING: A ROTOR, BRUSH FILAMENTS ARRANGED IN TUFTS, RETAINING MEMBERS RESPECTIVELY ASSOCIATED WITH SAID TUFTS, SAID RETAINING MEMBERS BEING IN PIVOTAL RELATIONSHIP WITH RESPECT TO SAID ROTOR, SAID BRUSH FILAMENTS PIVOTALLY CONNECTED TO SAID RETAINING MEMBERS RESPECTIVELY, AND
Claim 2
Dependent Claim
41 words
A ROTARY BRUSH COMPRISING: A ROTOR, BRUSH FILAMENTS ARRANGED IN TUFTS, RETAINING MEMBERS RESPECTIVELY ASSOCIATED WITH SAID TUFTS, SAID RETAINING MEMBERS BEING IN PIVOTAL RELATIONSHIP WITH RESPECT TO SAID ROTOR, SAID BRUSH FILAMENTS PIVOTALLY CONNECTED TO SAID RETAINING MEMBERS RESPECTIVELY, AND
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |