Patent US2236894A successfully refreshed from Google Patents.
Patent US3566710A successfully refreshed from Google Patents.
US3566710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated structures
Assignee: BROWN GEAR IND
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Filing: 1969-04-01
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Granted: 1971-03-02
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Expires: 1989-04-01
Abstract
Abstract A LOAD-BEARING HOLLOW FABRICATED STRUCTURE, FOR EXAMPLE A HOLLOW GEAR WHEEL OR A CAVITY-WALLED GEAR CASE, HAVING ITS INTERIOR FILLED WITH A RIGID PLASTICS MATERIAL HAVING DAMPING PROPERTIES. THE DAMPING MATERIAL IS BONDED TO THE STRUCTURE AT A MYRIAD OF POINTS AND CARRIES PART OF THE LOAD APPLIED TO THE STRUCTURE AS WELL AS REDUCING NOISE AND VIBRATION.
Inventors
- 👤 Richard A K Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:32
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/14; F16F; F16F15/00; F16F15/10; F16H57/00; F16H57/0006; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |