US2728353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiway valve
Assignee: Individual
•
Filing: 1951-11-29
•
Granted: 1955-12-27
•
Expires: 1971-11-29
Abstract
No abstract record available.
Inventors
- 👤 Albert W Bonham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:38
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806845A
Cited
US679533A
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US920268A
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US978256A
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US2152021A
Cited
US2229931A
Cited
US2234322A
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US2313257A
Cited
US2391505A
Cited
US2576300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |