Patent US3674228A successfully refreshed from Google Patents.
US3199702A
Expired / Lapsed
US
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Tamper-proof screw caps
Assignee: Alfred Fischbach KG Kunststoff Spritzgusswerk
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Filing: 1963-04-11
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Granted: 1965-08-10
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Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Fischbach Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:34
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3404; B65D2401/00; B65D2401/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A TAMPER-PROOF SEALING CAP COMPRISING A GENERALLY CYLINDRICAL SHELL, SAID SHELL INCLUDING AN INTERNALLY THREADED PORTION, AT LEAST ONE EXTENDED FRANGIBLE MEMBER POSITIONED INSIDE OF SAID SHELL BELOW SAID INTERNALLY THREADED PORTION, SAID FRANGIBLE MEMBER PROJECTING INTO THE PATH OF A BOTTLE NECK HAVING EXTERNAL TOOTH PORTIONS BELOW THE THREADED PORTION OF THE SHELL, SAID TOOTH PORTIONS HAVING A SLOPING CAM SURFACE TERMINATING IN A SHARP ANGLE, SAID FRANGIBLE MEMBER AND SAID TOOTH PORTIONS COOPERATING SO THAT SAID FRANGIBLE MEMBER IS BROKEN BY SAID TOOTH PORTIONS WHEN SAID CAP IS REMOVED FROM A BOTTLE ON WHICH IT IS PLACED, A PROTECTIVE COLLAR MEANS EXTENDING AXIALLY ALONG SAID SHELL AND EXTERNALLY OF SAID FRANGIBLE MEMBER, SAID COLLAR MEANS BEING PROVIDED WITH AN OPENING LOCATED ADJACENT SAID FRANGIBLE MEMBER, SAID COLLAR HAVING A LOWER PORTION OF A LARGER EXTERNAL DIAMETER THAN AN UPPER PORTION OF SAID SHELL TO PREVENT THE INSERTION OF THIN INSTRUMENTS BETWEEN THE CAP AND THE BOTTLE UPON WHICH IT IS PLACED.
Claim 2
Dependent Claim
163 words
A TAMPER-PROOF SEALING CAP COMPRISING A GENERALLY CYLINDRICAL SHELL, SAID SHELL INCLUDING AN INTERNALLY THREADED PORTION, AT LEAST ONE EXTENDED FRANGIBLE MEMBER POSITIONED INSIDE OF SAID SHELL BELOW SAID INTERNALLY THREADED PORTION, SAID FRANGIBLE MEMBER PROJECTING INTO THE PATH OF A BOTTLE NECK HAVING EXTERNAL TOOTH PORTIONS BELOW THE THREADED PORTION OF THE SHELL, SAID TOOTH PORTIONS HAVING A SLOPING CAM SURFACE TERMINATING IN A SHARP ANGLE, SAID FRANGIBLE MEMBER AND SAID TOOTH PORTIONS COOPERATING SO THAT SAID FRANGIBLE MEMBER IS BROKEN BY SAID TOOTH PORTIONS WHEN SAID CAP IS REMOVED FROM A BOTTLE ON WHICH IT IS PLACED, A PROTECTIVE COLLAR MEANS EXTENDING AXIALLY ALONG SAID SHELL AND EXTERNALLY OF SAID FRANGIBLE MEMBER, SAID COLLAR MEANS BEING PROVIDED WITH AN OPENING LOCATED ADJACENT SAID FRANGIBLE MEMBER, SAID COLLAR HAVING A LOWER PORTION OF A LARGER EXTERNAL DIAMETER THAN AN UPPER PORTION OF SAID SHELL TO PREVENT THE INSERTION OF THIN INSTRUMENTS BETWEEN THE CAP AND THE BOTTLE UPON WHICH IT IS PLACED.
References Cited (Backward Citations)
GB190121886A
Cited
US1863796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |