US3597425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic molding process
Assignee: Trane US Inc
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Filing: 1969-04-14
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Granted: 1971-08-03
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Expires: 1989-04-14
Abstract
Abstract AN IMPROVED DUAL COMPRESSION MOLDING PROCESS WHICH INCLUDES THE STEP OF PLACING AT LEAST ONE HEATED PREFORM OF DISSIMILAR THERMO-SETTING RESIN ON A NEARLY VERTICAL SURFACE OF A PARTIALLY CURED BASE MOLDING. A FEATURE OF THE DESCRIBED PROCESS IS THAT ONE OR MORE PREFORMS OF RESIN CAN BE DISTRIBUTED ANYWHERE ON THE SURFACE OF THE PARTIALLY CURED BASE MOLDING WHICH IS TO BE COATED THEREWITH.
Inventors
- 👤 Alfred Shaines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:24
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/14; B29C43/146; B29K; B29K2105/00; B29K2105/24; B29K2105/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |