US2906285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submerged valve mechanism, more particularly for water softener brine tank
Assignee: Capital Plating & Machine Co
•
Filing: 1957-10-07
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Granted: 1959-09-29
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Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Randolph T Rosten
- 👤 Philip W Rosten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:10
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7303; Y10T137/7313; Y10T137/7323; Y10T137/7326; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583736A
Cited
US2056249A
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US2695626A
Cited
US2716422A
Cited
US2778598A
Cited
US2784733A
Cited
US2828763A
Cited
US2827915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |