US2832199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vane pump
Assignee: American Brake Shoe Co
•
Filing: 1953-04-30
•
Granted: 1958-04-29
•
Expires: 1973-04-30
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Adams
- 👤 William E Eschliman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CH72544A
Cited
US1558639A
Cited
GB420501A
Cited
DE655201C
Cited
GB509247A
Cited
US2280272A
Cited
US2306632A
Cited
US2393223A
Cited
US2387761A
Cited
US2394166A
Cited
US2385905A
Cited
US2417568A
Cited
US2639855A
Cited
US2677330A
Cited
US2711698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |