Patent US2689080A successfully refreshed from Google Patents.
US2689080A
Expired / Lapsed
US
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Rotary air pump lubricator
Assignee: V MUELLER AND CO
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Filing: 1953-05-18
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Granted: 1954-09-14
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Preiss Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:06
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0057; A61M16/0063; F; F04; F04C; F04C29/00; F04C29/02; F04C29/026; F16; F16N; F16N7/00; F16N7/12; A61M16/10; A61M16/105; A61M16/106; A61M16/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |