Patent US2496043A successfully refreshed from Google Patents.
US2496043A
Expired / Lapsed
US
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Leakproof package and method of making same
Assignee: Marathon Corp
•
Filing: 1946-07-26
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Granted: 1950-01-31
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Expires: 1966-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert A Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US368819A
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US1806943A
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US927801A
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US918138A
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GB191512070A
Cited
US2166389A
Cited
US2220388A
Cited
US2382573A
Cited
US2416332A
Cited
US2381508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |