US3113829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pearlized plastics
Assignee: Quality Pearl Products Corp
•
Filing: 1958-04-18
•
Granted: 1963-12-10
•
Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Frank E Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:48
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/08; B29; B29C; B29C39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS OF MANUFACTURING PEARLIZED PLASTIC PRODUCTS COMPRISING THE FOLLOWING STEPS: FILLING A MOLD WITH A LIQUID MOLDING COMPOUND CONTAINING A SUITABLE ADDITIVE IN THE FORM OF DISCRETE PARTICLES, SUBJECTING THE MOLD TO CONDITIONS TO EFFECT THE SOLIDIFICATION OF THE LIQUID AND VIBRATING THE MOLD WHILE SOLIDIFICATION IS TAKING PLACE TO PRODUCE A PREDETERMINED PATTERN DISTRIBUTION OF THE ADDITIVE PARTICLES WITHIN THE SOLIDIFIED MOLDING COMPOUND.
Claim 2
Dependent Claim
65 words
A PROCESS OF MANUFACTURING PEARLIZED PLASTIC PRODUCTS COMPRISING THE FOLLOWING STEPS: FILLING A MOLD WITH A LIQUID MOLDING COMPOUND CONTAINING A SUITABLE ADDITIVE IN THE FORM OF DISCRETE PARTICLES, SUBJECTING THE MOLD TO CONDITIONS TO EFFECT THE SOLIDIFICATION OF THE LIQUID AND VIBRATING THE MOLD WHILE SOLIDIFICATION IS TAKING PLACE TO PRODUCE A PREDETERMINED PATTERN DISTRIBUTION OF THE ADDITIVE PARTICLES WITHIN THE SOLIDIFIED MOLDING COMPOUND.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |