US1032287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel rotor for centrifugal pumps.
Assignee: Individual
•
Filing: 1910-09-27
•
Granted: 1912-07-09
•
Expires: 1930-09-27
Abstract
No abstract record available.
Inventors
- 👤 Ernest Kreher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:55
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2266
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) | 1915-07-09 | 1916-01-08 | 1916-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-07-09 | 1920-01-08 | 1920-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-07-09 | 1924-01-08 | 1924-07-09 | $7700.00 | Window Closed / Lapsed |