US2711928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing valves for car washing and other purposes
Assignee: Individual
•
Filing: 1954-10-21
•
Granted: 1955-06-28
•
Expires: 1974-10-21
Abstract
No abstract record available.
Inventors
- 👤 Randa Donald Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:50
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/046; B; B05; B05B; B05B7/00; B05B7/24; B05B7/26; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2526; Y10T137/4891; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7936; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87362; Y10T137/87571; Y10T137/87652; Y10T137/8766
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US811749A
Cited
US2536361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |