US3424432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-rotated fluid distributors
Assignee: Emhart Enterprises Corp
•
Filing: 1966-11-16
•
Granted: 1969-01-28
•
Expires: 1986-11-16
Abstract
No abstract record available.
Inventors
- 👤 Donald R Humphreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:29
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/006; B; B05; B05B; B05B1/00; B05B1/34; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B7/00; B05B7/24; B05B7/26; F; F16; F16H; F16H49/00; F16H49/001; Y; Y10; Y10T; Y10T74/00; Y10T74/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3315898A
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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 |