US3099045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for molding preexpanded plastic beads
Assignee: Primerica Inc
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Filing: 1960-06-01
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Granted: 1963-07-30
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Expires: 1980-06-01
Abstract
No abstract record available.
Inventors
- 👤 Honkanen Arvid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C31/00; B29C31/02; B29C31/04; B29C31/041; B29C44/3415; B29C44/3426; B29K; B29K2105/00; B29K2105/04; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S264/00; Y10S264/09; Y10S264/10; Y10S264/65
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
156 words
A METHOD OF PNEUMATICALLY DEPOSITING A FULL CHARGE OF PLASTIC PARTICLES IN A MOLD CAVITY COMPRISING THE STEPS OF, FLOWING A PRESSURIZED GAS STREAM ALONG A MAIN FLOW PATH AT A HIGH VELOCITY, FEEDING PLASTIC PARTICLES FROM A STORAGE RESERVOIR INTO SAID GAS STREAM, ENTRAINING SAID PLASTIC PARTICLES IN SAID GAS STREAM THEREBY CARRYING SAID PLASTIC PARTICLES ALONG SAID MAIN FLOW PATH, JOINING SAID MAIN FLOW PATH AS A COMMON JUNCTURE TO FIRST AND SECOND ALTERNATE FLOW PATHS LEADING BACK TO SAID RESERVOIR AND INTO SAID MOLD CAVITY RESPECTIVELY, PROVIDING A RESISTANCE TO THE FLOW OF GAS STREAM AND ENTRAINED PARTICLES FROM SAID MAIN FLOW PATH INTO SAID FIRS ALTERNATE FLOW PATH, PROVIDING A SUBSTANTIALLY SMALLER RESISTANCE TO THE FLOW OF SAID GAS STREAM AND ENTRAINED PARTICLES FROM SAID MAIN FLOW PAT INTO SAID SECOND ALTERNATE FLOW PATH AS COMPARED TO THE FLOW RESISTANCE INTO SAID FIRST ALTERNATE FLOW PATH WHEREBY SAID GAS STREAM AND EN-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |