US3213932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Varied temperature container
Assignee: Individual
•
Filing: 1961-09-14
•
Granted: 1965-10-26
•
Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 Gottfurcht Bernard
- 👤 Weitzner Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:58
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24; A47J36/28; F; F25; F25D; F25D5/00; F25D5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A VARIED TEMPERATURE CONTAINER, COMPRISING A CYLINDRICAL BODY HAVING END WALLS, ONE COMPARTMENT SERVING TO CONTAIN A QUANTITY OF A SUBSTANCE TO BE CHANGED IN TEMPERATURE IN THE CONTAINER, A SEALED PLASTIC BAG CONTAINING A LIQUID REAGENT LOCATED IN ANOTHER COMPARTMENT ADJACENT TO ONE OF SAID END WALLS, A QUANTITY OF A GRANULATED CHEMICAL ADAPTED TO REACT WITH SAID LIQUID IN SAID OTHER COMPARTMENT AND CAUSE A CHANGE OF TEMPERATURE IN THE ONE COMPARTMENT, AND A FORK HAVING A SHAFT, A HEAD AT ONE END OF THE SHAFT, A CROSSBAR AT THE OTHER END OF THE SHAFT, AND A PLURALITY OF TINES AT THE ENDS OF THE CROSSBAR EXTENDING PARALLEL TO SAID SHAFT, SAID SHAFT EXTENDING THROUGH SAID ONE END WALL, SAID TINES HAVING POINTED ENDS BEARING ON A FRANGIBLE SIDE OF SAID BAG FOR PUNCTURING SAID SIDE OF THE BAG WHEN THE FORK IS MOVED AXIALLY OF THE SHAFT, SAID SHAFT HAVING A TWISTED PORTION ADAPTED TO CAUSE THE SHAFT TO TURN IN SAID ONE END WALL WHEN THE SHAFT IS MOVED AXIALLY FOR MORE EFFECTIVELY MIXING SAID CHEMICAL AND LIQUID REAGENT AFTER THE BAG IS PUNCTURED,
Claim 2
Dependent Claim
188 words
A VARIED TEMPERATURE CONTAINER, COMPRISING A CYLINDRICAL BODY HAVING END WALLS, ONE COMPARTMENT SERVING TO CONTAIN A QUANTITY OF A SUBSTANCE TO BE CHANGED IN TEMPERATURE IN THE CONTAINER, A SEALED PLASTIC BAG CONTAINING A LIQUID REAGENT LOCATED IN ANOTHER COMPARTMENT ADJACENT TO ONE OF SAID END WALLS, A QUANTITY OF A GRANULATED CHEMICAL ADAPTED TO REACT WITH SAID LIQUID IN SAID OTHER COMPARTMENT AND CAUSE A CHANGE OF TEMPERATURE IN THE ONE COMPARTMENT, AND A FORK HAVING A SHAFT, A HEAD AT ONE END OF THE SHAFT, A CROSSBAR AT THE OTHER END OF THE SHAFT, AND A PLURALITY OF TINES AT THE ENDS OF THE CROSSBAR EXTENDING PARALLEL TO SAID SHAFT, SAID SHAFT EXTENDING THROUGH SAID ONE END WALL, SAID TINES HAVING POINTED ENDS BEARING ON A FRANGIBLE SIDE OF SAID BAG FOR PUNCTURING SAID SIDE OF THE BAG WHEN THE FORK IS MOVED AXIALLY OF THE SHAFT, SAID SHAFT HAVING A TWISTED PORTION ADAPTED TO CAUSE THE SHAFT TO TURN IN SAID ONE END WALL WHEN THE SHAFT IS MOVED AXIALLY FOR MORE EFFECTIVELY MIXING SAID CHEMICAL AND LIQUID REAGENT AFTER THE BAG IS PUNCTURED,
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |