Patent US2677496A successfully refreshed from Google Patents.
US2677496A
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Bag, composite material, and method of making
Assignee: Arkell Safety Bag Co
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Filing: 1950-09-22
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Granted: 1954-05-04
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Expires: 1970-09-22
Abstract
No abstract record available.
Inventors
- 👤 Harold H Maynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:50
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013; Y10T156/1025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1821824A
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US1870215A
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FR817841A
Cited
US2314876A
Cited
US2293246A
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US2610936A
Cited
US2561781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |