US2865303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumps
Assignee: Bayer Corp
•
Filing: 1954-10-22
•
Granted: 1958-12-23
•
Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Andres Ferrari
- 👤 Isreeli Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:18
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1223
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US249285A
Cited
US271251A
Cited
US453277A
Cited
US612834A
Cited
US968599A
Cited
US1988337A
Cited
US2406485A
Cited
US2466618A
Cited
US2483924A
Cited
US2696173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |