US2943604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor velocity control valve
Assignee: GTE Sylvania Inc
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Filing: 1956-05-17
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Granted: 1960-07-05
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Expires: 1976-05-17
Abstract
No abstract record available.
Inventors
- 👤 Dale L Chubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:00
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/05; F15B2211/00; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/415; F15B2211/41581; F15B2211/4159; F15B2211/42; F15B2211/421; F15B2211/423; F15B2211/428; F15B2211/46; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/86702
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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |