US1532326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-transfer device
Assignee: Individual
•
Filing: 1921-09-29
•
Granted: 1925-04-07
•
Expires: 1941-09-29
Abstract
No abstract record available.
Inventors
- 👤 Leon B Lent
- 👤 Charles B Kirkham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:36
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F04C11/00; F16; F16K; F16K15/00; F16K15/02; F16K15/025; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7939; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86139; Y10T137/87917
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) | 1928-04-06 | 1928-10-06 | 1929-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-06 | 1932-10-06 | 1933-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-06 | 1936-10-06 | 1937-04-07 | $7700.00 | Window Closed / Lapsed |