US2629264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-driven valve control
Assignee: PHILADELPHIA GEAR WORKS Inc
•
Filing: 1950-01-14
•
Granted: 1953-02-24
•
Expires: 1970-01-14
Abstract
No abstract record available.
Inventors
- 👤 Harold O Kron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:17
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/04; F16K31/05; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19391; Y10T74/19395; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US863966A
Cited
US1814424A
Cited
US1529005A
Cited
GB286403A
Cited
GB330873A
Cited
US2323070A
Cited
US2329354A
Cited
US2315389A
Cited
US2511539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |