US2989004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic couplings
Assignee: Borg Warner Corp
•
Filing: 1956-02-01
•
Granted: 1961-06-20
•
Expires: 1976-02-01
Abstract
No abstract record available.
Inventors
- 👤 Reinhold C Zeidler
- 👤 William A Barnes
- 👤 Daniel W Lysett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:28
CPC Classifications
F; F16; F16D; F16D57/00; F16D57/04; F16H; F16H41/00; F16H41/24; F16H41/26; F16H2041/246; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4933
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |