US3026809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-external gear pump
Assignee: Borg Warner Corp
•
Filing: 1956-04-06
•
Granted: 1962-03-27
•
Expires: 1976-04-06
Abstract
No abstract record available.
Inventors
- 👤 J Edward C Anderson
- 👤 Fred C Haberland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:05
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/10; F04C14/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19647; Y10T74/19949; Y10T74/19963; Y10T74/19972
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |