US3010404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical feed pump
Assignee: Individual
•
Filing: 1957-03-11
•
Granted: 1961-11-28
•
Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:22
CPC Classifications
F; F04; F04B; F04B23/00; F04B23/04; F04B23/06; B; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B01F35/882; B01F35/8823; F04B43/00; F04B43/02; F04B43/06; F04B43/073; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US862867A
Cited
US1720326A
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GB370842A
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US2289332A
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US2242582A
Cited
US2576747A
Cited
US2554772A
Cited
US2803195A
Cited
US2904876A
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US2768638A
Cited
US2837105A
Cited
US2903008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |