US3358902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary closure
Assignee: Dow Chemical Co
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Filing: 1966-06-24
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Granted: 1967-12-19
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Expires: 1986-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert W Emmert
- 👤 William R R Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:43
CPC Classifications
B; B65; B65D; B65D55/00; B65D55/02; B65D55/06; B65D55/08; B65D55/0818; B65D55/0854; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A HEAT SHRINKABLE SECONDARY CLOSURE, THE CLOSURE COMPRISING AN ELONGATE STRIP OF A HEAT SHRINKABLE SYNTHETIC RESINOUS THERMOPLASTIC MATERIAL, THE STRIP HAVING TWO GENERALLY PARALLEL EDGES ALONG FIRST AND SECOND SIDES, THE STRIP HAVING A FIRST AND A SECOND END, THE FIRST END TERMINATING IN AN EDGE GENERALLY NORMAL TO THE DIRECTION OF THE SIDES, THE SECOND END HAVING AN EDGE DEFINING AN ACUTE ANGLE WITH ONE EDGE OF THE SIDE OF THE STRIP AND AN OBTUSE ANGLE WITH THE REMAINING SIDE OF THE STRIP, THE FIRST END AND THE SECOND END OF THE STRIP BEING JOINED TOGETHER WHEREIN THE EDGES OF THE FIRST AND SECOND ENDS ARE IN GENERALLY PARALLEL RELATIONSHIP TO FORM A GENERALLY CIRCULAR CONFIGURATION HAVING AN INNER SURFACE AND AN OUTER SURFACE.
Claim 2
Dependent Claim
126 words
A HEAT SHRINKABLE SECONDARY CLOSURE, THE CLOSURE COMPRISING AN ELONGATE STRIP OF A HEAT SHRINKABLE SYNTHETIC RESINOUS THERMOPLASTIC MATERIAL, THE STRIP HAVING TWO GENERALLY PARALLEL EDGES ALONG FIRST AND SECOND SIDES, THE STRIP HAVING A FIRST AND A SECOND END, THE FIRST END TERMINATING IN AN EDGE GENERALLY NORMAL TO THE DIRECTION OF THE SIDES, THE SECOND END HAVING AN EDGE DEFINING AN ACUTE ANGLE WITH ONE EDGE OF THE SIDE OF THE STRIP AND AN OBTUSE ANGLE WITH THE REMAINING SIDE OF THE STRIP, THE FIRST END AND THE SECOND END OF THE STRIP BEING JOINED TOGETHER WHEREIN THE EDGES OF THE FIRST AND SECOND ENDS ARE IN GENERALLY PARALLEL RELATIONSHIP TO FORM A GENERALLY CIRCULAR CONFIGURATION HAVING AN INNER SURFACE AND AN OUTER SURFACE.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |