US1346887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1919-02-21
•
Granted: 1920-07-20
•
Expires: 1939-02-21
Abstract
No abstract record available.
Inventors
- 👤 George W Heald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:37
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02; F16K27/0209; F16K27/0218; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6048; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7898; Y10T137/7903
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) | 1923-07-20 | 1924-01-19 | 1924-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-20 | 1928-01-19 | 1928-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-20 | 1932-01-19 | 1932-07-20 | $7700.00 | Window Closed / Lapsed |