US2838002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way pump
Assignee: General Electric Co
•
Filing: 1955-11-21
•
Granted: 1958-06-10
•
Expires: 1975-11-21
Abstract
No abstract record available.
Inventors
- 👤 Cohen David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:45
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/083; D06F39/085; F; F16; F16K; F16K15/00; F16K15/14; F16K15/1401; F16K15/16; F16K15/162; D06F2103/00; D06F2103/44; D06F2103/48; Y; Y10; Y10S; Y10S415/00; Y10S415/911; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7892
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2621505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |