US2951633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and method of lubricating air compressors and the like
Assignee: Wagner Electric Corp
•
Filing: 1955-07-14
•
Granted: 1960-09-06
•
Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Cyril B Fites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
F; F04; F04C; F04C28/00; F04C28/24; F04C29/00; F04C29/02; F04C2220/00; F04C2220/40; Y; Y10; Y10S; Y10S418/00; Y10S418/01
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |