US3424092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint pumping system
Assignee: AO Smith Corp
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Filing: 1966-10-28
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Granted: 1969-01-28
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Douglas R Hortvet
- 👤 Norman C Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:40
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/144; B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/0403; B05B9/0413; F04B53/06; F04B53/16; F04B53/162; F04B53/164; F04B9/00; F04B9/08; F04B9/10; F04B9/103; F04B9/105; F04B9/1056
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 |