Patent US4891560A successfully refreshed from Google Patents.
Patent US1958658A successfully refreshed from Google Patents.
US1958658A
Expired / Lapsed
US
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Apparatus for brushing, polishing, and the like
Assignee: Inventia Patent Verwertungs Gesellschaft
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Filing: 1929-12-02
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Granted: 1934-05-15
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Expires: 1949-12-02
Abstract
No abstract record available.
Inventors
- 👤 Engberg Axel Olof
- 👤 Bilde Tord Erik Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:21
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164; A47L11/4063; A47L11/4069; A47L11/408; F; F16; F16H; F16H29/00; F16H29/02; F16H29/04; Y; Y10; Y10S; Y10S15/00; Y10S15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-05-14 | 1937-11-13 | 1938-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-14 | 1941-11-13 | 1942-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-14 | 1945-11-13 | 1946-05-15 | $7700.00 | Window Closed / Lapsed |