Patent US2323569A successfully refreshed from Google Patents.
US2323569A
Expired / Lapsed
US
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Sealing means for universal joints
Assignee: Individual
•
Filing: 1939-10-30
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Granted: 1943-07-06
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Expires: 1959-10-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Rzeppa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:42
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/843; F16D3/845; F16D3/16; F16D3/20; F16D3/22; F16D3/223
Claims Analysis
Total Claims: 0
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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) | 1946-07-05 | 1947-01-04 | 1947-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-05 | 1951-01-04 | 1951-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-05 | 1955-01-04 | 1955-07-06 | $7700.00 | Window Closed / Lapsed |