US2770933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming balloons containing messages
Assignee: General Mills Inc
•
Filing: 1951-06-25
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Granted: 1956-11-20
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Expires: 1971-06-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond I Hakomaki
- 👤 William F Huch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:50
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/74; B29C65/745; B29C65/7453; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/80; B29C66/83; B29C66/832; B29C66/8322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2336962A
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US2374504A
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US2432373A
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US2530400A
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US2490930A
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US2469975A
Cited
US2475359A
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US2615375A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |