Patent US2880946A successfully refreshed from Google Patents.
US2880946A
Expired / Lapsed
US
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Balloon and fitting for balloon ends
Assignee: General Mills Inc
•
Filing: 1954-11-03
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Granted: 1959-04-07
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Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Harold E Froehlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:24
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1098286A
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US1303098A
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US1350935A
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US1649594A
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GB268584A
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FR697585A
Cited
US1828821A
Cited
US2455248A
Cited
US2453056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |