US2001369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circulating pump
Assignee: Borg Warner Corp
•
Filing: 1931-05-04
•
Granted: 1935-05-14
•
Expires: 1951-05-04
Abstract
No abstract record available.
Inventors
- 👤 Carl A Ruesenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:40
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49236
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) | 1938-05-13 | 1938-11-12 | 1939-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-13 | 1942-11-12 | 1943-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-13 | 1946-11-12 | 1947-05-14 | $7700.00 | Window Closed / Lapsed |