US3051372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hub structure for an impeller center plate and method for making same
Assignee: The Brundage Co
•
Filing: 1960-04-18
•
Granted: 1962-08-28
•
Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Wilden A Rockafield
- 👤 Joseph E Brundage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:01
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/281; F04D29/282; F04D29/283; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/503; F16B2200/509
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA475813A
Cited
US1642165A
Cited
US1684601A
Cited
US1995542A
Cited
US2025271A
Cited
US2096926A
Cited
US2350739A
Cited
US2315407A
Cited
US2673390A
Cited
US2626741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |