Patent US3044124A successfully refreshed from Google Patents.
US3044124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotational casting
Assignee: Sun Rubber Co
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Filing: 1960-08-19
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Granted: 1962-07-17
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Vaughn E Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:09
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/34; B29C33/36; B29C41/00; B29C41/02; B29C41/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
IN A PROCESS FOR CASTING INTRICATE HOLLOW ARTICLES FROM A VINYL RESIN PLASTISOL, SAID PROCESS REQUIRING A HEATING ZONE AT THE CURING TEMPERATURE OF SAID PLASTISOL, THE STEPS OF; LOCATING A SERIES OF MOLDS RADIALLY OF A FIRST AXIS AND TRASVERSELY TO A SECOND AXIS, FHARGING SAID MOLDS WHEN AT
Claim 2
Dependent Claim
50 words
IN A PROCESS FOR CASTING INTRICATE HOLLOW ARTICLES FROM A VINYL RESIN PLASTISOL, SAID PROCESS REQUIRING A HEATING ZONE AT THE CURING TEMPERATURE OF SAID PLASTISOL, THE STEPS OF; LOCATING A SERIES OF MOLDS RADIALLY OF A FIRST AXIS AND TRASVERSELY TO A SECOND AXIS, FHARGING SAID MOLDS WHEN AT
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |