US1023955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: Individual
•
Filing: 1908-08-31
•
Granted: 1912-04-23
•
Expires: 1928-08-31
Abstract
No abstract record available.
Inventors
- 👤 Fred K North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:10
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K3/184; F16K3/186; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/428
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) | 1915-04-23 | 1915-10-23 | 1916-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-23 | 1919-10-23 | 1920-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-23 | 1923-10-23 | 1924-04-23 | $7700.00 | Window Closed / Lapsed |