US2767940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balloon with strengthening elements
Assignee: General Mills Inc
•
Filing: 1953-11-04
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Granted: 1956-10-23
•
Expires: 1973-11-04
Abstract
No abstract record available.
Inventors
- 👤 Donald F Melton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/40; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1358283A
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US2384462A
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US2525121A
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US2526719A
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US2602609A
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US2593090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |