US1465097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating centkieugal pumps
Assignee: —
•
Filing: —
•
Granted: 1923-08-14
•
Expires: 1940-08-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:53
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/62; F04D29/628; F04D15/00; F04D15/0027; F04D15/0038; F05; F05B; F05B2230/00; F05B2230/60; F05B2230/601; Y; Y10; Y10S; Y10S415/00; Y10S415/912
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) | 1926-08-13 | 1927-02-12 | 1927-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-13 | 1931-02-12 | 1931-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-13 | 1935-02-12 | 1935-08-14 | $7700.00 | Window Closed / Lapsed |