US2026163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: MECHANICAL MARINE Co
•
Filing: 1932-02-05
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Granted: 1935-12-31
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Expires: 1952-02-05
Abstract
No abstract record available.
Inventors
- 👤 Marcus M Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:47
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; F16K17/194; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/428; Y10T137/4322; Y10T137/4329; Y10T137/598; Y10T137/6154; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/7904; Y10T137/7908; Y10T137/7921; Y10T137/8593; Y10T137/86292; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-12-30 | 1939-07-01 | 1939-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-30 | 1943-07-01 | 1943-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-30 | 1947-07-01 | 1947-12-31 | $7700.00 | Window Closed / Lapsed |