Patent US4630422A successfully refreshed from Google Patents.
Patent US3304747A successfully refreshed from Google Patents.
US3304747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomer shock absorber for a drive system
Assignee: Walker Neer Manufacturing Co Inc
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Filing: 1965-03-26
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Granted: 1967-02-21
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Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 Wayland D Elenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:13
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A SHOCK ABSORBER FOR INSTALLATION BETWEEN AXIALLY ALIGNED, ROTATABLE DRIVE AND DRIVEN SHAFTS, WHICH SHOCK ABSORBER COMPRISES: (A) A FIRST SHAFT, (1) SAID FIRST SHAFT HAVING A SHOULDER FORMED THEREON TO FORM A BEARING SURFACE, (B) A CYLINDRICAL, ELASTOMER SLEEVE SURROUNDING SAID FIRST SHAFT AND BEING BONDED THERETO, (C) A CYLINDRICAL MEMBER SURROUNDIG SAID CYLINDRICAL, ELASTOMER SLEEVE AND BEING BONDED THERETO, (1) A CAP SECURED TO AN END OF SAID CYLINDRICA MEMBER, (2) A SECOND SHAFT SECURED TO SAID CAP AND EXTENDING OUTWARD THEREFROM AND BEING IN AXIAL ALIGNMENT WITH SAID FIRST SHAFT,
Claim 2
Dependent Claim
93 words
A SHOCK ABSORBER FOR INSTALLATION BETWEEN AXIALLY ALIGNED, ROTATABLE DRIVE AND DRIVEN SHAFTS, WHICH SHOCK ABSORBER COMPRISES: (A) A FIRST SHAFT, (1) SAID FIRST SHAFT HAVING A SHOULDER FORMED THEREON TO FORM A BEARING SURFACE, (B) A CYLINDRICAL, ELASTOMER SLEEVE SURROUNDING SAID FIRST SHAFT AND BEING BONDED THERETO, (C) A CYLINDRICAL MEMBER SURROUNDIG SAID CYLINDRICAL, ELASTOMER SLEEVE AND BEING BONDED THERETO, (1) A CAP SECURED TO AN END OF SAID CYLINDRICA MEMBER, (2) A SECOND SHAFT SECURED TO SAID CAP AND EXTENDING OUTWARD THEREFROM AND BEING IN AXIAL ALIGNMENT WITH SAID FIRST SHAFT,
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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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |