US2310607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber bonded split metal washer seal
Assignee: NORMA HOFFMANN BEARING CORP
•
Filing: 1941-06-11
•
Granted: 1943-02-09
•
Expires: 1961-06-11
Abstract
No abstract record available.
Inventors
- 👤 Dwight E Batesole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:01
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7889; F16C33/784; F16C33/7843; F16C33/7853; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C19/14; F16C19/18; F16C19/181; F16C19/183; F16C19/22; F16C19/24; F16C19/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-02-08 | 1946-08-10 | 1947-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-08 | 1950-08-10 | 1951-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-08 | 1954-08-10 | 1955-02-09 | $7700.00 | Window Closed / Lapsed |