US3112013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection lubricator
Assignee: Watts Regulator Co
•
Filing: 1961-07-17
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Granted: 1963-11-26
•
Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Tine Sebastian David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:13
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
AN INJECTION LUBRICATOR, IN COMBINATION WITH AN AIR CYLINDER HAVING AN AIR SUPPLY CONDUIT CONNECTED TO ONE END THEREOF AND A VALVE SELECTIVELY TO CONNECT THE CONDUIT WITH A SOURCE OF AIR UNDER PRESSURE OR TO VENT IT, THE LUBRICATOR COMPRISING A CASING HAVING SPACED PORTS THEREIN CONNECTED IN THE AIR SUPPLY CONDUIT BETWEEN THE VALVE AND THE CYLINDER, MEANS DEFINING A LUBRICANT-RECEIVING CHAMBER IN THE CASING, A TUBE OF SMALL DIAMETER RELATIVE TO THE
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US1978348A
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US2308773A
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US2868584A
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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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |