Patent US3419934A successfully refreshed from Google Patents.
US3419934A
Expired / Lapsed
US
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Dispensing apparatus
Assignee: Dow Chemical Co
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Filing: 1967-01-05
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Granted: 1969-01-07
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Expires: 1987-01-05
Abstract
No abstract record available.
Inventors
- 👤 Joe B Lovett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
B; B05; B05C; B05C5/00; B05C5/02; B05C5/0254; B05C5/0258; B01; B01J; B01J4/00; B01J4/008; B05B; B05B3/00; B05B3/02; B29; B29C; B29C31/00; B29C31/04; B29C31/042; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/461; B05C5/0225; B05C5/0229; B05C5/0233
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924010A
Cited
US2330282A
Cited
US2567949A
Cited
US2754544A
Cited
US3063095A
Cited
US3181199A
Cited
US3145419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |