US3173175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus
Assignee: Individual
•
Filing: 1958-05-09
•
Granted: 1965-03-16
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:28
CPC Classifications
F; F28; F28F; F28F19/00; F28F19/02; B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/08; B29C41/34; B29C41/36; B29C44/00; B29C44/02; B29C44/04; B29C44/0461; F28F13/00; F28F13/18; F28F3/00; F28F3/12; F28F3/14; B29C37/00; B29C37/0025; B29C37/0028; B29C2037/0039; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S264/00; Y10S264/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A FLUID COOLED MOLD FOR MOLDING THERMOPLASTIC MATERIALS CAST THEREIN AT ELEVATED TEMPERATURE COMPRISING THE COMBINATION OF A RIGID MOLD BODY HAVING A CAVITY THEREIN INCLUDING AN OPENING IN THE WALLS OF SAID MOLD FOR THE ADMISSION OF A MOLDING MATERIAL TO SAID CAVITY, A FRAME FOR SUPPORTING SAID MOLD, MEANS FOR SECURING SAID FRAME TO THE EXTERIOR OF THE WALLS OF SAID RIGID MOLD BODY, AND A TUBED SHEET OF SUBSTANTIALLY LESS THICKNESS THAN THE THICKNESS OF THE WALLS OF SAID MOLD BODY, SAID TUBE SHEET HAVING A CONDUIT INTEGRALLY FORMED OF THE WALLS OF SAID SHEET, AT LEAST ONE OF THE MAJOR SURFACE OF SAID TUBED SHEET BEING IN ABUTMENT WITH A MAJOR PORTION OF THE EXTERIOR SURFACE ON THE WALLS OF SAID MOLD, MEANS FOR MAINTAINING A MAJOR SURFACE OF SAID TUBED SHEET IN INTIMATE CONTACT WITH THE INTERIOR SURFACE OF SAID WALLS OF SAID
Claim 2
Dependent Claim
148 words
A FLUID COOLED MOLD FOR MOLDING THERMOPLASTIC MATERIALS CAST THEREIN AT ELEVATED TEMPERATURE COMPRISING THE COMBINATION OF A RIGID MOLD BODY HAVING A CAVITY THEREIN INCLUDING AN OPENING IN THE WALLS OF SAID MOLD FOR THE ADMISSION OF A MOLDING MATERIAL TO SAID CAVITY, A FRAME FOR SUPPORTING SAID MOLD, MEANS FOR SECURING SAID FRAME TO THE EXTERIOR OF THE WALLS OF SAID RIGID MOLD BODY, AND A TUBED SHEET OF SUBSTANTIALLY LESS THICKNESS THAN THE THICKNESS OF THE WALLS OF SAID MOLD BODY, SAID TUBE SHEET HAVING A CONDUIT INTEGRALLY FORMED OF THE WALLS OF SAID SHEET, AT LEAST ONE OF THE MAJOR SURFACE OF SAID TUBED SHEET BEING IN ABUTMENT WITH A MAJOR PORTION OF THE EXTERIOR SURFACE ON THE WALLS OF SAID MOLD, MEANS FOR MAINTAINING A MAJOR SURFACE OF SAID TUBED SHEET IN INTIMATE CONTACT WITH THE INTERIOR SURFACE OF SAID WALLS OF SAID
References Cited (Backward Citations)
US1896919A
Cited
US1916798A
Cited
US2084441A
Cited
US2274477A
Cited
US2363329A
Cited
US2305433A
Cited
US2318377A
Cited
US2355443A
Cited
US2505540A
Cited
US2536692A
Cited
US2495640A
Cited
US2543303A
Cited
US2587337A
Cited
US2550174A
Cited
US2659107A
Cited
US2626428A
Cited
US2603836A
Cited
US2710990A
Cited
US2818606A
Cited
US2839788A
Cited
US2881476A
Cited
US2834051A
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 |