US2263584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making valve bodies
Assignee: Individual
•
Filing: 1940-04-03
•
Granted: 1941-11-25
•
Expires: 1960-04-03
Abstract
No abstract record available.
Inventors
- 👤 Trevellic O Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:54
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/04; F16K27/044; F16K27/047; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6167; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49409; Y10T29/49412; Y10T29/49416; Y10T29/49417
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) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |