Patent US3237247A successfully refreshed from Google Patents.
US3237247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotational casting apparatus
Assignee: ThyssenKrupp Budd Co
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Filing: 1963-11-08
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Granted: 1966-03-01
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Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter S Eggert
- 👤 Harry M Russell-French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/02; B29C33/04; B29C33/34; B29C41/00; B29C41/02; B29C41/04; B29C41/06; B29C41/34; B29C41/46; B29C35/00; B29C35/02; B29C35/04; B29C35/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN APPARATUS FOR ROTATIONALLY CASTING A HOLLOW PLASTIC OBJECT IN A HOLLOW SECTIONAL MOLD, THE COMBINATION COMPRISING: AN OVEN PROVIDED WITH A HEATING CHAMBER AND AN OPENING COMMUNICATING WITH THE SAID CHAMBER; A BASE DISPOSED ADJACENT TO SAID OVER; AN ENCLOSURE MEMBER MOUNTED ON SAID BASE AND ADAPTED TO CLOSE SAID OPENING; AND A ROTARY CASTING MACHINE MOUNTED ON SAID BASE AND EXTENDING THROUGH SAID ENCLOSURE MEMBER, SAID MACHINE COMPRISING ROTATABLE SUPPORT MEANS LOCATED ON ONE SIDE OF SAID ENCLOSURE MEMBER AND ADAPTED TO SUPPORT AND ROTATE THE MOLD IN SAID CHAMBER ABOUT A PLURALITY OF AXES, AND MOTOR MEANS MOUNTED ON THE OTHER SIDE OF ENCLOSURE MEMBER AND OPERATIVELY CONNECTED TOF ROTATING SAID SUPPORT MEANS.
Claim 2
Dependent Claim
116 words
IN APPARATUS FOR ROTATIONALLY CASTING A HOLLOW PLASTIC OBJECT IN A HOLLOW SECTIONAL MOLD, THE COMBINATION COMPRISING: AN OVEN PROVIDED WITH A HEATING CHAMBER AND AN OPENING COMMUNICATING WITH THE SAID CHAMBER; A BASE DISPOSED ADJACENT TO SAID OVER; AN ENCLOSURE MEMBER MOUNTED ON SAID BASE AND ADAPTED TO CLOSE SAID OPENING; AND A ROTARY CASTING MACHINE MOUNTED ON SAID BASE AND EXTENDING THROUGH SAID ENCLOSURE MEMBER, SAID MACHINE COMPRISING ROTATABLE SUPPORT MEANS LOCATED ON ONE SIDE OF SAID ENCLOSURE MEMBER AND ADAPTED TO SUPPORT AND ROTATE THE MOLD IN SAID CHAMBER ABOUT A PLURALITY OF AXES, AND MOTOR MEANS MOUNTED ON THE OTHER SIDE OF ENCLOSURE MEMBER AND OPERATIVELY CONNECTED TOF ROTATING SAID SUPPORT MEANS.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |