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US2619192A
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Pressure lubricator
Assignee: LENDAX LUBRICATOR OG MASKININD
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Filing: 1949-12-20
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Granted: 1952-11-25
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Expires: 1969-12-20
Abstract
No abstract record available.
Inventors
- 👤 Lending Magnus Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:49
CPC Classifications
F; F16; F16N; F16N29/00; F16N13/00; F16N13/02; F16N13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191214039A
Cited
US777413A
Cited
US824458A
Cited
FR364775A
Cited
US1062377A
Cited
US1295211A
Cited
US1487650A
Cited
US2481856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |