Patent US3011506A successfully refreshed from Google Patents.
US3011506A
Expired / Lapsed
US
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Control valve
Assignee: Wagner Electric Corp
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Filing: 1958-02-03
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Granted: 1961-12-05
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Expires: 1978-02-03
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schwartz
- 👤 Edward J Falk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:51
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B60T13/168; B60T13/14; B60T13/148; F; F15; F15B; F15B13/00; F15B13/02; F15B13/022; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/212; F15B2211/30; F15B2211/31; F15B2211/3105; F15B2211/3111; F15B2211/3116; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617; Y10T137/7722; Y10T137/7738; Y10T137/7741; Y10T137/7742; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7765; Y10T137/7781; Y10T137/7784; Y10T137/7792; Y10T137/7837; Y10T137/7838; Y10T137/7841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |