US1413568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating pump
Assignee: Individual
•
Filing: 1921-03-19
•
Granted: 1922-04-25
•
Expires: 1941-03-19
Abstract
No abstract record available.
Inventors
- 👤 Bjornstad Jorgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:56
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/1075; F16; F16K; F16K15/00; F16K15/14; F16K15/1401; F16K15/141; F16K15/142; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7859; Y10T137/7861
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) | 1925-04-24 | 1925-10-24 | 1926-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-04-24 | 1929-10-24 | 1930-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-04-24 | 1933-10-24 | 1934-04-25 | $7700.00 | Window Closed / Lapsed |