US3424349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluent material mixing and dispensing apparatus
Assignee: WOODROW P VANCE
•
Filing: 1967-04-03
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Granted: 1969-01-28
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Expires: 1987-04-03
Abstract
No abstract record available.
Inventors
- 👤 Woodrow P Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:37
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/16; B28C7/162; B28C7/163; B28C7/165; B01; B01F; B01F33/00; B01F33/40; B01F33/403; B28C5/00; B28C5/02; B28C5/06
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |