Patent US2878048A successfully refreshed from Google Patents.
US2878048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush seal and the like
Assignee: Osborn Manufacturing Corp
•
Filing: 1954-03-18
•
Granted: 1959-03-17
•
Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:21
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3284; F16J15/3288; Y; Y10; Y10S; Y10S277/00; Y10S277/935; Y10S277/936
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190510839A
Cited
US885032A
Cited
US1042719A
Cited
US2274234A
Cited
US2388867A
Cited
US2672640A
Cited
GB680233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |