Patent US3339435A successfully refreshed from Google Patents.
US3339435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for drilling machines for collecting chipped material
Assignee: Individual
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Filing: 1965-10-12
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Granted: 1967-09-05
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Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Heitz Walter-Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:12
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/001; B23B45/00; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0053; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10T; Y10T408/00; Y10T408/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A DEVICE FOR DRILLING MACHINES FOR COLLECTING CHIPPED MATERIAL, ESPECIALLY DRILLINGS, DURING THE DRILLING OF HOLES IN CEILING AND WALLS, COMPRISING AN AXIALLY COMPRESSIBLE BELLOWS TYPE RECEPTACLE OF ELASTIC MATERIAL HAVING A LATERAL WALL AND AN END WALL CLOSING THE RECEPTACLE AT ITS FRONT END AND PROVIDED WITH A CENTRAL OPENING, A SLEEVE MOUNTED WITH FORCE FIT ON THE HOUSING OF A DRILLING MACHINE AND HAVING SAID BELLOWS TYPE RECEPTACLE SLIPPED THEREON SO THAT SAME IS REMOVABLE FROM THE HOUSING OF THE DRILLING MACHICNE, AND A PERFORATED SEALING MEMBER CARRIED BY SAID SLEEVE AT A POINT WHERE THE DRILL OF THE DRILLING MACHINE PASSES THROUGH THE SLEEVE, SAID BELLOWS
Claim 2
Independent Claim
109 words
A DEVICE FOR DRILLING MACHINES FOR COLLECTING CHIPPED MATERIAL, ESPECIALLY DRILLINGS, DURING THE DRILLING OF HOLES IN CEILING AND WALLS, COMPRISING AN AXIALLY COMPRESSIBLE BELLOWS TYPE RECEPTACLE OF ELASTIC MATERIAL HAVING A LATERAL WALL AND AN END WALL CLOSING THE RECEPTACLE AT ITS FRONT END AND PROVIDED WITH A CENTRAL OPENING, A SLEEVE MOUNTED WITH FORCE FIT ON THE HOUSING OF A DRILLING MACHINE AND HAVING SAID BELLOWS TYPE RECEPTACLE SLIPPED THEREON SO THAT SAME IS REMOVABLE FROM THE HOUSING OF THE DRILLING MACHICNE, AND A PERFORATED SEALING MEMBER CARRIED BY SAID SLEEVE AT A POINT WHERE THE DRILL OF THE DRILLING MACHINE PASSES THROUGH THE SLEEVE, SAID BELLOWS
References Cited (Backward Citations)
US2792199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |