US2834368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple valve assembly
Assignee: Individual
•
Filing: 1955-08-01
•
Granted: 1958-05-13
•
Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 Landon R Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:50
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F15B13/0803; F15B13/0832; F15B13/0839; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; F16K11/0716; F16K27/00; F16K27/003; F15B2013/002; F15B2013/006; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5283; Y10T137/8593; Y10T137/877; Y10T137/87885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2575240A
Cited
US2586932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |