Patent US2770248A successfully refreshed from Google Patents.
US2770248A
Expired / Lapsed
US
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Coil cleaner for beer distributing systems
Assignee: Individual
•
Filing: 1953-04-23
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Granted: 1956-11-13
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Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Audia Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:17
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/032; B08B9/0321; B08B9/0325; B67; B67D; B67D1/00; B67D1/07; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/8158; Y10T137/8225; Y10T137/8242; Y10T137/8593; Y10T137/86389; Y10T137/86445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1931527A
Cited
US2254833A
Cited
US2407453A
Cited
US2570450A
Cited
US2563358A
Cited
US2645379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |