US3208649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper proof closure
Assignee: Roehr Products Co Inc
•
Filing: 1961-08-01
•
Granted: 1965-09-28
•
Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 Mack R Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:27
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/1418; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/348; B29K; B29K2705/00; B29L; B29L2031/00; B29L2031/56; B29L2031/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CLOSURE COMPRISING A HOLLOW MEMBER HAVING A THREADED SIDE WALL THAT TERMINATES AT ITS LOWER END IN MEANS FORMING AN OPEN LOWER END OF THE MEMBER, SAID MEMBER HAVING AN ANNULAR FACTURABLE ZONE OF WEAKNESS ABOVE SAID OPEN END AND AT WHICH THE MEMBER MAY BE FRACTURED INTO A PLURALITY OF PARTS THAT LEAVE A RAW EDGE OF MATERIAL ON THE MEMBER, A PLASTIC SHELL ON SAID SIDE WALL IN CLOSE-FITTING SURROUNDING RELATION THERETO, AND COOPERATING MEANS ON THE SHELL AND MEMBER FOR PERMANENTLY SECURING THE TWO TOGETHER, SAID SHELL EXTENDING AXIALLY ALOND SAID SIDE WALL AT LEAST TO THE ZONE OF WEAKNESS SO THAT UPON FRACTURE OF THE MEMBER AT SAID ZONE OF WEAKNESS, THE RAW EDGE OF MATERIAL REMAINING ON THE MEMBER WILL BE SHIELDED BY THE PLASTIC.
Claim 2
Dependent Claim
131 words
A CLOSURE COMPRISING A HOLLOW MEMBER HAVING A THREADED SIDE WALL THAT TERMINATES AT ITS LOWER END IN MEANS FORMING AN OPEN LOWER END OF THE MEMBER, SAID MEMBER HAVING AN ANNULAR FACTURABLE ZONE OF WEAKNESS ABOVE SAID OPEN END AND AT WHICH THE MEMBER MAY BE FRACTURED INTO A PLURALITY OF PARTS THAT LEAVE A RAW EDGE OF MATERIAL ON THE MEMBER, A PLASTIC SHELL ON SAID SIDE WALL IN CLOSE-FITTING SURROUNDING RELATION THERETO, AND COOPERATING MEANS ON THE SHELL AND MEMBER FOR PERMANENTLY SECURING THE TWO TOGETHER, SAID SHELL EXTENDING AXIALLY ALOND SAID SIDE WALL AT LEAST TO THE ZONE OF WEAKNESS SO THAT UPON FRACTURE OF THE MEMBER AT SAID ZONE OF WEAKNESS, THE RAW EDGE OF MATERIAL REMAINING ON THE MEMBER WILL BE SHIELDED BY THE PLASTIC.
References Cited (Backward Citations)
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US2158044A
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US2173449A
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US2033643A
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US2162712A
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US2684502A
Cited
US3025988A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |