US2557334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control system and means
Assignee: Bendix Aviation Corp
•
Filing: 1947-03-10
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Granted: 1951-06-19
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Expires: 1967-03-10
Abstract
No abstract record available.
Inventors
- 👤 Raymond T Zwack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:28
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/42; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T137/8593; Y10T137/85954; Y10T137/85978; Y10T137/86131; Y10T137/86139
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1282680A
Cited
US1691744A
Cited
US1896508A
Cited
US2280714A
Cited
US2402065A
Cited
US2398713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |