US2848139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and dosage machine for two or more fluids
Assignee: Individual
•
Filing: 1953-12-16
•
Granted: 1958-08-19
•
Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Chiantelassa Attilio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:28
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/741; B67D7/742
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595942A
Cited
US1345614A
Cited
US1648000A
Cited
US1860278A
Cited
US2531202A
Cited
US2633802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |