Patent US2222449A successfully refreshed from Google Patents.
US3107752A
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Temperature compensated viscous damper
Assignee: Lord Manufacturing Co
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Filing: 1961-08-04
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Granted: 1963-10-22
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Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:34
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/32; F16F9/50; F16F9/52; F16F2222/00; F16F2222/02; F16F2230/00; F16F2230/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A DAMPER FOR CONNECTION BETWEEN TWO RELATIVELY MOVABLE PARTS COMPRISING A CASING CONTAINING A VISCOUS LIQUID AND HAVING AN AXIALLY EXTENDING INNER SURFACE, A RING WITHIN THE CASING HAVING AXIALLY SPACED END SURFACES AND AN OUTER SURFACE IN TELESCOPING RELATION TO SAID AXIALLY EXTENDING SURFACE, A PLUNGER OF DIAMETER SMALLER THAN AND LOOSELY EXTENDING THROUGH THE CENRER OF THE RING AND
Claim 2
Dependent Claim
61 words
A DAMPER FOR CONNECTION BETWEEN TWO RELATIVELY MOVABLE PARTS COMPRISING A CASING CONTAINING A VISCOUS LIQUID AND HAVING AN AXIALLY EXTENDING INNER SURFACE, A RING WITHIN THE CASING HAVING AXIALLY SPACED END SURFACES AND AN OUTER SURFACE IN TELESCOPING RELATION TO SAID AXIALLY EXTENDING SURFACE, A PLUNGER OF DIAMETER SMALLER THAN AND LOOSELY EXTENDING THROUGH THE CENRER OF THE RING AND
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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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |