Patent US5290511A successfully refreshed from Google Patents.
US3129269A
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US
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Method of making a brush type rotary tool
Assignee: Osborn Manufacturing Corp
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Filing: 1959-08-17
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Granted: 1964-04-14
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Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 Vernon K Charvat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:55
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/10; A; A46; A46B; A46B13/00; A46B13/001; B24D18/00; Y; Y10; Y10S; Y10S15/00; Y10S15/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
IN A METHOD FOR MAKING A BRUSH-LIKE PRODUCT, THE STEPS WHICH COMPRISE MAINTAINING AN ASSEMBLY OF BRISTLES IN DESIRED SPACED APART RELATION BY THE ACTION OF CENTRIFUGAL FORCE, INTRODUCING INTO SUCH ASSEMBLY A BODY OF HARDENABLE LIQUID BINDER SUBJECT TO THE SAME FORCE, WHERE-
Claim 2
Dependent Claim
44 words
IN A METHOD FOR MAKING A BRUSH-LIKE PRODUCT, THE STEPS WHICH COMPRISE MAINTAINING AN ASSEMBLY OF BRISTLES IN DESIRED SPACED APART RELATION BY THE ACTION OF CENTRIFUGAL FORCE, INTRODUCING INTO SUCH ASSEMBLY A BODY OF HARDENABLE LIQUID BINDER SUBJECT TO THE SAME FORCE, WHERE-
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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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |