US2887127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control valves
Assignee: Individual
•
Filing: 1954-05-10
•
Granted: 1959-05-19
•
Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Broadbent Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:40
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/04; F16K27/048; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86726
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US323404A
Cited
US423105A
Cited
GB196991A
Cited
US2532614A
Cited
US2638122A
Cited
US2658523A
Cited
US2741264A
Cited
US2675830A
Cited
US2747611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |