Patent US3424432A successfully refreshed from Google Patents.
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 12:42
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE537557C
Cited
US1636127A
Cited
US1919246A
Cited
US2086281A
Cited
US2943495A
Cited
US2983162A
Cited
US3261552A
Cited
US3255969A
Cited
US3272437A
Cited
US3315898A
Cited
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 |