Patent US3121245A successfully refreshed from Google Patents.
US3121245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptor for brush sections
Assignee: PPG Industries Inc
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Filing: 1961-04-18
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Granted: 1964-02-18
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Expires: 1981-04-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Tilgner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:12
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ADAPTOR FOR A BRUSH SECTION COMPRISING A RECTANGULAR SHEET OF METAL HAVING PREFORMED BENT TABS ON THE DIAGONALLY OPPOSED CORNERS THEREOF, THE TABS ON DIAGONALLY OPPOSED CORNERS BEING BENT IN THE SAME DIRECTION AND ONE OF THE PAIRS OF TABS EXTENDING IN THE OPPOSITE DIRECTION FROM THE OTHER PAIR, SAID TABS BEING RESILIENTLY CONSTRUCTED TO PERMIT THE ADAPTOR TO SNAP INTO PLACE WITHIN THE INNER PERIMETER OF THE CHANNEL BACKING RING OF A BRUSH SECTION.
Claim 2
Dependent Claim
76 words
AN ADAPTOR FOR A BRUSH SECTION COMPRISING A RECTANGULAR SHEET OF METAL HAVING PREFORMED BENT TABS ON THE DIAGONALLY OPPOSED CORNERS THEREOF, THE TABS ON DIAGONALLY OPPOSED CORNERS BEING BENT IN THE SAME DIRECTION AND ONE OF THE PAIRS OF TABS EXTENDING IN THE OPPOSITE DIRECTION FROM THE OTHER PAIR, SAID TABS BEING RESILIENTLY CONSTRUCTED TO PERMIT THE ADAPTOR TO SNAP INTO PLACE WITHIN THE INNER PERIMETER OF THE CHANNEL BACKING RING OF A BRUSH SECTION.
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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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |