US3133661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinged plastic closure for containers
Assignee: Airmold Plastics Inc
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Filing: 1962-10-15
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Granted: 1964-05-19
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Peter T Schurman
- 👤 Raymond C Confer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:25
CPC Classifications
E; E05; E05D; E05D1/00; E05D1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A HINGED PLASTIC CLOSURE FOR CONTAINERS COMPRISING, IN COMBINATION WITH A CONTAINER OF THERMOPLASTIC MATERIAL HAVING A MAIN BODY PORTION AND A REDUCED END PORTION FORMING A LEDGE AROUND SAID CONTAINER AT THE JUNCTURE BETWEEN SAID PORTIONS, SAID REDUCED END PORTION HAVING AN OUTWARDLY PROJECTING BEAD THEREAROUND IN SPACED RELATION TO SAID LEGE, A CLOSURE OF THERMOPLASTIC MATERIAL HAVING A DISTENSIBLE SIDE WALL OF SUBSTANTIALLY THE SAME CROSS-SECTIONAL DIMENSIONS AS SAID LEDGE SLIP-FITTING ONTO SAID CONTAINER REDUCED END PORTION, SAID CLOSURE SIDE WALL BEING TRANSVERSELY PARTIALLY SEVERED TO DEFINE A COLLAR PORTION AND A CAP PORTION JOINED BY THE UNSEVERED PORTION OF SAID SIDE WALL AS A HINGE, SAID COLLAR PORTION SEATING AGAINST SAID LEDGE AND SAID CAP PORTION BEING DISTENDED BY SAID BEAD AND CONTRACTING ABOUT SAID REDUCED END PORTION BE TWEEN SAID COLLAR PORTION AND SAID BEAD WHEN SAID CLOSURE IS FULLY SEATED ON SAID CONTAINER, SAID COLLAR PORTION SLIDING ALONG SAID REDUCED END PORTION TOWARD SAID BEAD TO FACILITATE OPENING AND CLOSING MOVEMENTS OF SAID CAP PORTION ABOUT THE AXIS OF SAID HINGE.
Claim 2
Dependent Claim
176 words
A HINGED PLASTIC CLOSURE FOR CONTAINERS COMPRISING, IN COMBINATION WITH A CONTAINER OF THERMOPLASTIC MATERIAL HAVING A MAIN BODY PORTION AND A REDUCED END PORTION FORMING A LEDGE AROUND SAID CONTAINER AT THE JUNCTURE BETWEEN SAID PORTIONS, SAID REDUCED END PORTION HAVING AN OUTWARDLY PROJECTING BEAD THEREAROUND IN SPACED RELATION TO SAID LEGE, A CLOSURE OF THERMOPLASTIC MATERIAL HAVING A DISTENSIBLE SIDE WALL OF SUBSTANTIALLY THE SAME CROSS-SECTIONAL DIMENSIONS AS SAID LEDGE SLIP-FITTING ONTO SAID CONTAINER REDUCED END PORTION, SAID CLOSURE SIDE WALL BEING TRANSVERSELY PARTIALLY SEVERED TO DEFINE A COLLAR PORTION AND A CAP PORTION JOINED BY THE UNSEVERED PORTION OF SAID SIDE WALL AS A HINGE, SAID COLLAR PORTION SEATING AGAINST SAID LEDGE AND SAID CAP PORTION BEING DISTENDED BY SAID BEAD AND CONTRACTING ABOUT SAID REDUCED END PORTION BE TWEEN SAID COLLAR PORTION AND SAID BEAD WHEN SAID CLOSURE IS FULLY SEATED ON SAID CONTAINER, SAID COLLAR PORTION SLIDING ALONG SAID REDUCED END PORTION TOWARD SAID BEAD TO FACILITATE OPENING AND CLOSING MOVEMENTS OF SAID CAP PORTION ABOUT THE AXIS OF SAID HINGE.
References Cited (Backward Citations)
US2937781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |