US1426718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow-regulating apparatus
Assignee: Individual
•
Filing: 1919-09-03
•
Granted: 1922-08-22
•
Expires: 1939-09-03
Abstract
No abstract record available.
Inventors
- 👤 Florez Luis De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:44
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/8593; Y10T137/86389; Y10T137/86405
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1925-08-21 | 1926-02-20 | 1926-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-08-21 | 1930-02-20 | 1930-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-08-21 | 1934-02-20 | 1934-08-22 | $7700.00 | Window Closed / Lapsed |