Patent US3299607A successfully refreshed from Google Patents.
US3299607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter and capping head
Assignee: Continental Can Co Inc
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Filing: 1963-12-03
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Granted: 1967-01-24
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Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 David S Dopp
- 👤 Peter R Mucibabich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:31
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A VACUUM CAPPING MACHINE WHEREIN CONTAINERS FILLED WITH PARTICULATE MATERIAL ARE SUBJECTED TO EVACUATION AND SUBSEQUENT CAPPING, THE PROVISION OF A COMBINATION FILTER AND CAP APPLICATION UNIT ADAPTED TO COVER A CONTAINER DURING EVACUATION THEREOF TO PREVENT DISPLACEMENT OF SAID MATERIAL THEREFROM AND THEREAFTER APPLY A CAP TO SAID CONTAINER TO SEAL THE SAME, SAID FILTER AND CAP APPLICATION UNIT COMPRISING AN INVERTED CUP-LIKE FILTER MEMBER PRESENTING AN UNINTERRUPTED POROUS FILTERING AREA THROUGHOUT, FILTER MOUNTING MEANS SUPPORTING SAID FILTER MEMBER IN UNOBSTRUCTING RELATION THROUGHOUT AT LEAST SUBSTANTIALLY THE ENTIRE FILTERING AREA THEREOF, CAP GRIPPING MEANS AT LEAST PARTIALLY CARRIED BY SAID FILTER MOUNTING MEANS AND ASSOCIATED WITH THE BOTTOM MARGINAL AREA OF SAID FILTER MEMBER TO ENGAGE A CAP ACROSS A MOUTH PORTION OF SAID FILTER MEMBER, AND MEANS MOUNTING SAID FILTER AND CAP APPLICATION UNIT FOR RECIPROCATION INTO AND OUT OF ASSOCIATION WITH A CONTAINER FOR CONTAINER EVACUATION AND CAP TRANSFER.
Claim 2
Dependent Claim
153 words
IN A VACUUM CAPPING MACHINE WHEREIN CONTAINERS FILLED WITH PARTICULATE MATERIAL ARE SUBJECTED TO EVACUATION AND SUBSEQUENT CAPPING, THE PROVISION OF A COMBINATION FILTER AND CAP APPLICATION UNIT ADAPTED TO COVER A CONTAINER DURING EVACUATION THEREOF TO PREVENT DISPLACEMENT OF SAID MATERIAL THEREFROM AND THEREAFTER APPLY A CAP TO SAID CONTAINER TO SEAL THE SAME, SAID FILTER AND CAP APPLICATION UNIT COMPRISING AN INVERTED CUP-LIKE FILTER MEMBER PRESENTING AN UNINTERRUPTED POROUS FILTERING AREA THROUGHOUT, FILTER MOUNTING MEANS SUPPORTING SAID FILTER MEMBER IN UNOBSTRUCTING RELATION THROUGHOUT AT LEAST SUBSTANTIALLY THE ENTIRE FILTERING AREA THEREOF, CAP GRIPPING MEANS AT LEAST PARTIALLY CARRIED BY SAID FILTER MOUNTING MEANS AND ASSOCIATED WITH THE BOTTOM MARGINAL AREA OF SAID FILTER MEMBER TO ENGAGE A CAP ACROSS A MOUTH PORTION OF SAID FILTER MEMBER, AND MEANS MOUNTING SAID FILTER AND CAP APPLICATION UNIT FOR RECIPROCATION INTO AND OUT OF ASSOCIATION WITH A CONTAINER FOR CONTAINER EVACUATION AND CAP TRANSFER.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |