Patent US2683529A successfully refreshed from Google Patents.
US2683529A
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Assignee: Marathon Corp
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Filing: 1952-09-29
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Granted: 1954-07-13
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Expires: 1972-09-29
Abstract
No abstract record available.
Inventors
- 👤 George E Wauda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:28
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/08; B65D83/0847; B65D83/0852; B65D83/0882; B65H; B65H35/00; B65H35/0006; B65D85/00; B65D85/67; B65D85/671; B65D85/672; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/175; B65H2701/1752; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/238; Y10T225/248; Y10T225/251; Y10T225/254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1827029A
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US1886211A
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US2125042A
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US2042799A
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US2186973A
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US2160164A
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US2473492A
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US2651450A
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US2658664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |