US2990224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: PARKERSBURG AETNA CORP
•
Filing: 1955-07-20
•
Granted: 1961-06-27
•
Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Rozner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:55
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0817; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/583; F16C33/586; F16C35/00; F16C35/04; F16C35/06; F16C35/063; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2300/00; F16C2300/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US422025A
Cited
US880255A
Cited
US1412688A
Cited
US1788891A
Cited
US1835991A
Cited
US2236481A
Cited
US2697016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |