US2942623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Height control valve
Assignee: Wagner Electric Corp
•
Filing: 1957-11-07
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Granted: 1960-06-28
•
Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:30
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G17/0523; B60G17/0525; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733931A
Cited
US1834634A
Cited
US2171316A
Cited
US2670201A
Cited
US2588798A
Cited
GB766444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |