US2916266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for foaming beer
Assignee: Electronic Assistance Corp
•
Filing: 1956-05-01
•
Granted: 1959-12-08
•
Expires: 1976-05-01
Abstract
No abstract record available.
Inventors
- 👤 Pray George Emerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:09
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/02; B67C3/22; B67C3/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1820676A
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US2114964A
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US2119174A
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US2237636A
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US2341498A
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US2498990A
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US2620894A
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US2660414A
Cited
US2815193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |