Patent US1834850A successfully refreshed from Google Patents.
US3105607A
Expired / Lapsed
US
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Thin walled plastic articles and forming same
Assignee: Illinois Tool Works Inc
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Filing: 1961-05-10
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Granted: 1963-10-01
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Edwards Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:50
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/42; B29C51/427; B29C51/30; B29C51/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A THERMOPLASTIC ARTICLE OF MANUFACTURE COMPRISING, INTEGRAL WALLS OF THIN WALLED SHEET MATERIAL HAVING A FIRST PORTION WITH AN AREA OF SUBSTANTIAL EXTENT AND IN A FIRST PLANE AND A SECOND PORTION OF SUBSTANTIAL AREA INTEGRALLY JOINED TO SAID FIRST AREA AND IN A SECOND PLANE, SAID FIRST AND SECOND PLANES AT THE JUNCTURE OF SAID FIRST AND SECOND PORTIONS DEFINING AN ACUTE ANGLE, THE CROSS SECTIONAL LENGTH OF THE AREA OF SAID SECOND PORTION BEING LARGER THAN THE THICKNESS OF THE MATERIAL TIMES THE CONTRACTION FACTOR OF THE MATERIAL FROM A HEATED TO A COOLED STATE, SAID FIRST AND SECOND INTEGRAL THIN WALL PORTIONS HAVING A DIFFERENT THICKNESS.
Claim 2
Dependent Claim
109 words
A THERMOPLASTIC ARTICLE OF MANUFACTURE COMPRISING, INTEGRAL WALLS OF THIN WALLED SHEET MATERIAL HAVING A FIRST PORTION WITH AN AREA OF SUBSTANTIAL EXTENT AND IN A FIRST PLANE AND A SECOND PORTION OF SUBSTANTIAL AREA INTEGRALLY JOINED TO SAID FIRST AREA AND IN A SECOND PLANE, SAID FIRST AND SECOND PLANES AT THE JUNCTURE OF SAID FIRST AND SECOND PORTIONS DEFINING AN ACUTE ANGLE, THE CROSS SECTIONAL LENGTH OF THE AREA OF SAID SECOND PORTION BEING LARGER THAN THE THICKNESS OF THE MATERIAL TIMES THE CONTRACTION FACTOR OF THE MATERIAL FROM A HEATED TO A COOLED STATE, SAID FIRST AND SECOND INTEGRAL THIN WALL PORTIONS HAVING A DIFFERENT THICKNESS.
References Cited (Backward Citations)
US2352251A
Cited
US2666951A
Cited
US2820683A
Cited
US2901098A
Cited
US2854694A
Cited
US2829794A
Cited
US2913140A
Cited
US2982436A
Cited
US2991903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |