US2903248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of mixing liquiform ingredients
Assignee: Individual
•
Filing: 1956-12-10
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Granted: 1959-09-08
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Leander H Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:46
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D7/04; F04D7/045; A; A23; A23N; A23N17/00; B; B01; B01F; B01F23/00; B01F23/40; B01F23/49; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |