Patent US3173801A successfully refreshed from Google Patents.
Patent USRE29029E successfully refreshed from Google Patents.
Patent US3470893A successfully refreshed from Google Patents.
US3470893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid distribution unit
Assignee: Illinois Tool Works Inc
•
Filing: 1968-03-04
•
Granted: 1969-10-07
•
Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 John F Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:01
CPC Classifications
F; F16; F16L; F16L57/00; B; B60; B60K; B60K25/00; B60K25/04; F16K; F16K13/00; F16K13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/8593; Y10T137/87571; Y10T137/877; Y10T137/87877; Y10T137/8811
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1821533A
Cited
US1931527A
Cited
US2148419A
Cited
US2360647A
Cited
US2392195A
Cited
US2508231A
Cited
US2750068A
Cited
US3117587A
Cited
US3092141A
Cited
US3187966A
Cited
US3282457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |