US2907528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device for delivering liquid mixtures or solutions
Assignee: Individual
•
Filing: 1957-03-18
•
Granted: 1959-10-06
•
Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 Lambton Charles William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/046; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US564615A
Cited
GB190800781A
Cited
US1910235A
Cited
US1974355A
Cited
US2149929A
Cited
US2187049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |