US3173174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus for rim structure of thin wall plastic container
Assignee: Illinois Tool Works Inc
•
Filing: 1962-12-31
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Granted: 1965-03-16
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Edwards Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:07
CPC Classifications
B; B29; B29C; B29C57/00; B29C51/00; B29C51/26; B29C51/30; B29C51/32; B29C51/325; B29C57/12; B65; B65D; B65D1/00; B65D1/40; B65D1/42; B29L; B29L2031/00; B29L2031/712; B29L2031/7132; Y; Y10; Y10S; Y10S425/00; Y10S425/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN INERST MOLD MEMBER FOR CUT OFF AND FORMING OF SHEET MATERIAL AND ADAPTED TO BE ATTACHED TO THE OUTER PERIPHERY OF A FEMALE SHEET FORMING MOLD COMPRISING A FIRST PORTION HAVING FASTENING MEANS FOR ENGAGING SAID FEMALE MOLD, A SECOND PORTION EXTENDING ABOVE SAID FIRST PORTION HAVING AN ANNULAR CONFIGURATION AND HAVING A TOP AND INNER SURFACE, THE CONFLUENCE OF SAID TOP AND INNER SURFACES BEING DISPOSED AT SUBSTANTIALLY RIGHT ANGLES TO EACH OTHER TO PROVIDE A CUTTING EDGE, SAID INNER SURFACE DETERMINING THE RADIAL SIZE OF THE OBJECT TO BE MOLDED AND HAVING RECESS MEANS THEREIN RADIALLY OUTWARDLY OF SAID CUTTING EDGE TO PROVIDE AN UNDERCUT MOLD SURFACE.
Claim 2
Dependent Claim
110 words
AN INERST MOLD MEMBER FOR CUT OFF AND FORMING OF SHEET MATERIAL AND ADAPTED TO BE ATTACHED TO THE OUTER PERIPHERY OF A FEMALE SHEET FORMING MOLD COMPRISING A FIRST PORTION HAVING FASTENING MEANS FOR ENGAGING SAID FEMALE MOLD, A SECOND PORTION EXTENDING ABOVE SAID FIRST PORTION HAVING AN ANNULAR CONFIGURATION AND HAVING A TOP AND INNER SURFACE, THE CONFLUENCE OF SAID TOP AND INNER SURFACES BEING DISPOSED AT SUBSTANTIALLY RIGHT ANGLES TO EACH OTHER TO PROVIDE A CUTTING EDGE, SAID INNER SURFACE DETERMINING THE RADIAL SIZE OF THE OBJECT TO BE MOLDED AND HAVING RECESS MEANS THEREIN RADIALLY OUTWARDLY OF SAID CUTTING EDGE TO PROVIDE AN UNDERCUT MOLD SURFACE.
References Cited (Backward Citations)
US1449385A
Cited
US1482732A
Cited
US1856319A
Cited
US1598911A
Cited
US1578337A
Cited
US1575300A
Cited
US1884708A
Cited
US2120328A
Cited
US2223321A
Cited
US2221197A
Cited
US2227920A
Cited
US2377351A
Cited
US2541905A
Cited
US3007206A
Cited
US2985128A
Cited
US2990581A
Cited
US3045887A
Cited
US3058153A
Cited
US3041669A
Cited
US3085730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |