Patent US2765974A successfully refreshed from Google Patents.
US2765974A
Expired / Lapsed
US
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Bag and closure therefor
Assignee: Marathon Corp
•
Filing: 1953-08-12
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Granted: 1956-10-09
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Expires: 1973-08-12
Abstract
No abstract record available.
Inventors
- 👤 Cornelius M Phipps
- 👤 Donald R Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/12; Y; Y10; Y10S; Y10S383/00; Y10S383/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT123671B
Cited
DE511103C
Cited
GB320289A
Cited
US2197490A
Cited
US2188039A
Cited
US2373744A
Cited
US2721023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |