US3040776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two way valve
Assignee: Peters and Russell Inc
•
Filing: 1958-09-08
•
Granted: 1962-06-26
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Linus E Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:50
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/06; F16K27/065; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/076; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US388748A
Cited
US2035747A
Cited
US2204885A
Cited
US2353535A
Cited
US2534577A
Cited
US2832562A
Cited
US2872944A
Cited
US2854027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |