US2881692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric apparatus of automatically pulsating action for preparing infusions through distillation
Assignee: Individual
•
Filing: 1956-09-25
•
Granted: 1959-04-14
•
Expires: 1976-09-25
Abstract
No abstract record available.
Inventors
- 👤 Volcov Vittorio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057; A47J31/0573; A47J31/24; A47J31/30; A47J31/44; A47J31/54; A47J31/542
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848627A
Cited
US1665793A
Cited
US1831013A
Cited
GB380414A
Cited
US1940775A
Cited
DE644253C
Cited
DE672780C
Cited
US2568474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |