US2697249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the manufacture of particulate wax and wax objects
Assignee: Standard Oil Co
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Filing: 1950-06-09
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Granted: 1954-12-21
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Expires: 1970-06-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard Stockwell Bettes
- 👤 Jr Vernon Keenan
- 👤 Radkins Andrew Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:44
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/24; B29C41/26; B29B; B29B9/00; B29B9/02; B29B9/04; B29C67/00; B29C67/24; B29C67/241; C; C10; C10G; C10G73/00; C10G73/40; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0448; Y10T83/0453; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4836
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
THE METHOD OF CONVERTING MOLTEN WAX INTO SUBSTANTIALLY UNIFORM WAX PARTICLES SUITABLE FOR PRODUCING SOLID WAX MASSES SUBSTANTIALLY FREE FROM INTERNAL STRESSES AND HAVING A BULK RATIO NOT GREATER THAN ABOUT 4 WHICH METHOD COMPRISES PASSING THE PERIPHERY OF A COOLED DRUM THROUGH A TANK OF MOLTEN WAX TO PRODUCE A CONTINUOUS NON-BRITTLE PLASTIC FILM OF WAX THEREON HAVING A THICKNESS NO GREATER THAN ABOUT .04", REMOVING SAID NON-BRITTLE
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US2335515A
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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) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |