Patent US3338475A successfully refreshed from Google Patents.
US3338475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispenser for liquids and creams
Assignee: BERTHEN AG BASEL
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Filing: 1965-10-05
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Granted: 1967-08-29
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Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Englesson Per Torsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:44
CPC Classifications
A; A45; A45D; A45D34/00; B; B65; B65D; B65D35/00; B65D35/24; B65D35/40; B65D35/44; B65D35/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A DISPENSER FOR LIQUIDS, CREAMS AND OTHER NON-SOLID SUBSTANCES COMPRISING AN AT LEAST PARTIALLY RESILIENT, CLOSED CONTAINER PART AND A DOSING DEVICE CONNECTED TO SAID CONTAINER PART, THE DOSING DEVICE CONNECTED TO SAID CONPORTIONS THE CONTAINER PART BY SUCTION THE DOSING DEVICE INCLUDING A DISCHARGE OPENING (A) OPERATING AS A PRESSURE RELIEF VALVE WHICH OPENS ONLY AFTER A PREDETERMINED PRESSURE HAS BEEN REACHED, A CHECK VALVE (B) ARRANGED BETWEEN THE CONTAINER PART (D) AND THE DISCHARGE OPENING (A), THE FLOW DIRECTION THROUGH SAID VALVE (B) EXTENDING FROM THE CONTAINER PART (D) TOWARDS THE DISCHARGE OPENING (A), AND A WALL ZONE (C), COMPRESSIBLE FOR DISCHARGE AND ELASTICALLY RETURNABLE IN ITS INITIAL POSITION, ARRANGED BETWEEN THE CHECK VALVE (B) AND THE PRESSURE RELIEF VALVE (A), ELASATIC RETURN OF THE WALL ZONE AFTER COMPRESSION CREATES A SUCTION FOR PULLING THE CONTENTS OF THE CONTAINER PART (D) THROUGH THE CHECK VALVE (B) INTO THE WALL ZONE (C) (FIGURE 5), CHARACTERIZED IN
Claim 2
Dependent Claim
157 words
A DISPENSER FOR LIQUIDS, CREAMS AND OTHER NON-SOLID SUBSTANCES COMPRISING AN AT LEAST PARTIALLY RESILIENT, CLOSED CONTAINER PART AND A DOSING DEVICE CONNECTED TO SAID CONTAINER PART, THE DOSING DEVICE CONNECTED TO SAID CONPORTIONS THE CONTAINER PART BY SUCTION THE DOSING DEVICE INCLUDING A DISCHARGE OPENING (A) OPERATING AS A PRESSURE RELIEF VALVE WHICH OPENS ONLY AFTER A PREDETERMINED PRESSURE HAS BEEN REACHED, A CHECK VALVE (B) ARRANGED BETWEEN THE CONTAINER PART (D) AND THE DISCHARGE OPENING (A), THE FLOW DIRECTION THROUGH SAID VALVE (B) EXTENDING FROM THE CONTAINER PART (D) TOWARDS THE DISCHARGE OPENING (A), AND A WALL ZONE (C), COMPRESSIBLE FOR DISCHARGE AND ELASTICALLY RETURNABLE IN ITS INITIAL POSITION, ARRANGED BETWEEN THE CHECK VALVE (B) AND THE PRESSURE RELIEF VALVE (A), ELASATIC RETURN OF THE WALL ZONE AFTER COMPRESSION CREATES A SUCTION FOR PULLING THE CONTENTS OF THE CONTAINER PART (D) THROUGH THE CHECK VALVE (B) INTO THE WALL ZONE (C) (FIGURE 5), CHARACTERIZED IN
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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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |