Patent US2216188A successfully refreshed from Google Patents.
US2216188A
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US
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Method of molding wax
Assignee: Mid Continent Petroleum Corp
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Filing: 1938-02-26
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Granted: 1940-10-01
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Expires: 1958-02-26
Abstract
No abstract record available.
Inventors
- 👤 Eddie M Dons
- 👤 Oswald G Mauro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:46
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/40; B; B29; B29C; B29C48/00; B29C48/03; B29C67/00; B29C67/24; B29C67/241; C11; C11C; C11C5/00; C11C5/02; C11C5/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-01 | 1944-04-01 | 1944-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-01 | 1948-04-01 | 1948-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-01 | 1952-04-01 | 1952-10-01 | $7700.00 | Window Closed / Lapsed |