US2823768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricator
Assignee: Individual
•
Filing: 1953-03-26
•
Granted: 1958-02-18
•
Expires: 1973-03-26
Abstract
No abstract record available.
Inventors
- 👤 Charles R Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:49
CPC Classifications
B; B60; B60R; B60R17/00; B60R17/02; F; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/10; F16N13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1716252A
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US1487568A
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US1773312A
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US1989451A
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US1900745A
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FR815778A
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GB465307A
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GB501998A
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US2312304A
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GB628481A
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US2515900A
Cited
GB664781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |