US3153531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing cartridge for sealant compound
Assignee: SEMCO RES Inc
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Filing: 1963-08-29
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Granted: 1964-10-20
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:19
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/76; B01; B01F; B01F31/00; B01F31/40; B01F31/44; B01F31/441; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B01F33/50112; B01F35/00; B01F35/71; B01F35/713; B01F35/7137; B01F35/716; B01F35/7161; B65D81/00; B65D81/32; B65D81/3255; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A DUAL COMPARTMENT CONTAINER FOR SEPARATELY STORING TWO INGREDIENTS, SUBSEQUENTLY INTERMIXING THE TWO INGREDIENTS AND LATER DISPENSING THE MIXTURE, COMPRISING: AN ELONGATED SHELL HAVING A NORMALLY CLOSED DISPENSING OUTLET AT ONE OF ITS ENDS; AN END WALL MEMBER CLOSING THE OTHER END OF THE SHELL AND COOPERATING WITH THE SHELL TO FORM A CONTAINER, SAID CONTAINER BEING COLLAPSIBLE TO EXTRUDE THE CONTENTS OF THE SHELL THROUGH SAID DISPENSING OUTLET; A DASHER SLIDINGLY SPANNING THE INTERIOR OF THE SHELL; A PARTITION SHEET SPANNING THE INTERIOR OF THE SHELL AND COOPERATING THEREWITH AND DIVIDING THE INTERIOR OF THE SHELL INTO TWO COMPARTMENTS TO STORE SAID TWO INGREDIENTS RESPECTIVELY, THE PERIPHERAL MARGIN OF SAID PARTITION SHEET EMBRACING SAID DASHER BY RADIALLY INWARD PRESSURE FROM THE SURROUNDING SHELL; AND MEANS OPERABLE THROUGH ONE END OF THE CONTAINER TO RETRACT THE DASHER FROM THE PARTITION SHEET AND TO RECIPROCATE THE DASHER; SAID PARTITION SHEET BEING FRANGIBLE UPON COLLAPSE OF SAID SHELL TO PERMIT ADMIXTURE OF THE INGREDIENTS.
Claim 2
Dependent Claim
162 words
A DUAL COMPARTMENT CONTAINER FOR SEPARATELY STORING TWO INGREDIENTS, SUBSEQUENTLY INTERMIXING THE TWO INGREDIENTS AND LATER DISPENSING THE MIXTURE, COMPRISING: AN ELONGATED SHELL HAVING A NORMALLY CLOSED DISPENSING OUTLET AT ONE OF ITS ENDS; AN END WALL MEMBER CLOSING THE OTHER END OF THE SHELL AND COOPERATING WITH THE SHELL TO FORM A CONTAINER, SAID CONTAINER BEING COLLAPSIBLE TO EXTRUDE THE CONTENTS OF THE SHELL THROUGH SAID DISPENSING OUTLET; A DASHER SLIDINGLY SPANNING THE INTERIOR OF THE SHELL; A PARTITION SHEET SPANNING THE INTERIOR OF THE SHELL AND COOPERATING THEREWITH AND DIVIDING THE INTERIOR OF THE SHELL INTO TWO COMPARTMENTS TO STORE SAID TWO INGREDIENTS RESPECTIVELY, THE PERIPHERAL MARGIN OF SAID PARTITION SHEET EMBRACING SAID DASHER BY RADIALLY INWARD PRESSURE FROM THE SURROUNDING SHELL; AND MEANS OPERABLE THROUGH ONE END OF THE CONTAINER TO RETRACT THE DASHER FROM THE PARTITION SHEET AND TO RECIPROCATE THE DASHER; SAID PARTITION SHEET BEING FRANGIBLE UPON COLLAPSE OF SAID SHELL TO PERMIT ADMIXTURE OF THE INGREDIENTS.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |