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Patent US3429480A successfully refreshed from Google Patents.
US3429480A
Expired / Lapsed
US
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Dispensing apparatus for a blend of two liquids with cost increment means
Assignee: Avery Hardoll Ltd
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Filing: 1967-03-27
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Granted: 1969-02-25
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Expires: 1987-03-27
Abstract
No abstract record available.
Inventors
- 👤 Colin Roderick Petyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:53
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/741; B67D7/742; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |