US2532280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous wax molding process
Assignee: Standard Oil Co
•
Filing: 1947-06-18
•
Granted: 1950-12-05
•
Expires: 1967-06-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Atkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:55
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/24; B29C67/241; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A CONTINUOUS WAX MOLDING PROCESS COMPRISING FORMING A LAYER OF PARAFFIN WAX IN A MOLTEN STATE UPON A MOVING SURFACE, FORMING A SECOND LAYER OF SAID WAX IN A MOLTEN STATE UPON A SECOND MOVING SURFACE, COOLING SAID LAYERS WHILE ON SAID SURFACES TO CHANGE SAID WAX FROM A MOLTEN TO A SEMI-SOLID TO SOLID STATE, AND JOINING SAID FIRST AND SECOND LAYERS WHILE AT LEAST ONE OF SAID LAYERS IS ON THE SURFACE ON WHICH IT IS FORMED TO FORM A UNITARY SHEET OF WAX.
Claim 2
Dependent Claim
86 words
A CONTINUOUS WAX MOLDING PROCESS COMPRISING FORMING A LAYER OF PARAFFIN WAX IN A MOLTEN STATE UPON A MOVING SURFACE, FORMING A SECOND LAYER OF SAID WAX IN A MOLTEN STATE UPON A SECOND MOVING SURFACE, COOLING SAID LAYERS WHILE ON SAID SURFACES TO CHANGE SAID WAX FROM A MOLTEN TO A SEMI-SOLID TO SOLID STATE, AND JOINING SAID FIRST AND SECOND LAYERS WHILE AT LEAST ONE OF SAID LAYERS IS ON THE SURFACE ON WHICH IT IS FORMED TO FORM A UNITARY SHEET OF WAX.
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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |