Patent US3149443A successfully refreshed from Google Patents.
US3149443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for abrading and polishing in particular curved-surfaces of glass objects
Assignee: US Philips Corp
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Filing: 1962-08-07
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Granted: 1964-09-22
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Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 Bergmann Josef
- 👤 Engels Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:52
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D13/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A DEVICE FOR ABRADING AND POLISHING OBJECTS HAVING A CURVED GLASS SURFACE COMPRISING A RESILIENT DISC-SHAPED CARRIER BEING PROVIDED ON ONE SIDE WITH AN ABRADING AND POLISHING MEANS AND PROVIDED ON THE OPPOSITE SIDE WITH A MEANS FOR APPLYING A LOAD DISTRIBUTED EVENLY OVER SUBSTANTIALLY THE ENTIRE SURFACE OF SAID OPPOSITE SIDE OF SAID CARRIER, SAID MEANS FOR APPLYING A LOAD INCLUDING AN ANNULAR LOADING PLATE AND A HOLLOW CONTAINER, THE LATTER BEING FILLED WITH A FLUID SUBSTANCE, SAID HOLLOW CONTAINER
Claim 2
Independent Claim
81 words
A DEVICE FOR ABRADING AND POLISHING OBJECTS HAVING A CURVED GLASS SURFACE COMPRISING A RESILIENT DISC-SHAPED CARRIER BEING PROVIDED ON ONE SIDE WITH AN ABRADING AND POLISHING MEANS AND PROVIDED ON THE OPPOSITE SIDE WITH A MEANS FOR APPLYING A LOAD DISTRIBUTED EVENLY OVER SUBSTANTIALLY THE ENTIRE SURFACE OF SAID OPPOSITE SIDE OF SAID CARRIER, SAID MEANS FOR APPLYING A LOAD INCLUDING AN ANNULAR LOADING PLATE AND A HOLLOW CONTAINER, THE LATTER BEING FILLED WITH A FLUID SUBSTANCE, SAID HOLLOW CONTAINER
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |