Patent US3367551A successfully refreshed from Google Patents.
US3367551A
Expired / Lapsed
US
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Package
Assignee: Packaging Frontiers Inc
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Filing: 1965-04-30
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Granted: 1968-02-06
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Expires: 1985-04-30
Abstract
No abstract record available.
Inventors
- 👤 Paul L Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:25
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5827; B65D75/40; B65D75/44; B65D75/48; B65D75/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PACKAGE FORMED FROM A TUBE OF FLEXIBLE PACKAGING MATERIAL HAVING SEALS AT EACH END IN DIFFERENT PLANES SO THAT THE PACKAGE HAS THE SHAPE OF A TETRAHEDRON, THEREBY HAVING FOUR TRIANGULAR SIDES, TWO CORNERS AT THE ENDS OF ONE END SEAL, AND TWO CORNERS AT THE ENDS OF THE OTHER END SEAL, SAID PACKAGE HAVING A POURING OPENING ADJACENT ONE OF SAID CORNERS, SAID POURING OPENING BEING IN THE SHAPE OF A TRIANGLE AND HAVING A BASE EXTENDING ACROSS THE INTERMEDIATE TRIANGULAR SIDE OF THE THREE TRIANGULAR SIDES OF THE PACKAGE WHICH MEET AT SAID ONE CORNER AND EXTENDS AROUND THE EDGES OF SAID INTERMEDIATE TRIANGULAR SIDE INTO EACH OF THE OTHER TWO SIDES WHICH MEET AT SAID ONE CORNER, SAID BASE OF SAID TRIANGLE BEING SPACED FROM SAID ONE CORNER, SAID TRIANGLE FURTHER HAVING LEGS EXTENDING FROM THE ENDS OF SAID BASE
Claim 2
Dependent Claim
144 words
A PACKAGE FORMED FROM A TUBE OF FLEXIBLE PACKAGING MATERIAL HAVING SEALS AT EACH END IN DIFFERENT PLANES SO THAT THE PACKAGE HAS THE SHAPE OF A TETRAHEDRON, THEREBY HAVING FOUR TRIANGULAR SIDES, TWO CORNERS AT THE ENDS OF ONE END SEAL, AND TWO CORNERS AT THE ENDS OF THE OTHER END SEAL, SAID PACKAGE HAVING A POURING OPENING ADJACENT ONE OF SAID CORNERS, SAID POURING OPENING BEING IN THE SHAPE OF A TRIANGLE AND HAVING A BASE EXTENDING ACROSS THE INTERMEDIATE TRIANGULAR SIDE OF THE THREE TRIANGULAR SIDES OF THE PACKAGE WHICH MEET AT SAID ONE CORNER AND EXTENDS AROUND THE EDGES OF SAID INTERMEDIATE TRIANGULAR SIDE INTO EACH OF THE OTHER TWO SIDES WHICH MEET AT SAID ONE CORNER, SAID BASE OF SAID TRIANGLE BEING SPACED FROM SAID ONE CORNER, SAID TRIANGLE FURTHER HAVING LEGS EXTENDING FROM THE ENDS OF SAID BASE
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |