US3343927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sintered metal brake drum
Assignee: Motor Wheel Corp
•
Filing: 1963-12-18
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Granted: 1967-09-26
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Robert J Derleth
- 👤 Iii Alexander Brede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:18
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/10; B; B22; B22F; B22F3/00; B22F3/24; B22F3/26; F16D2065/13; F16D2065/1304; F16D2065/1316; F16D2065/134; F16D2065/1344; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139; Y10T428/1216; Y10T428/12361; Y10T428/12493; Y10T428/12986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A BRAKE DRUM COMPRISING SUPPORT MEANS CONSTRUCTED AND ADAPTED TO ASSEMBLE SAID DRUM ON OTHER WHEEL PARTS FOR ROTATION THEREWITH AND BRAKE TRACK MATERIAL SECURED TO SAID SUPPORT MEANS AND COMPRISING SINTERED FERROUS METAL INFILTRATED WITH AN INFILTRANT MATERIAL HAVING A
Claim 2
Dependent Claim
41 words
A BRAKE DRUM COMPRISING SUPPORT MEANS CONSTRUCTED AND ADAPTED TO ASSEMBLE SAID DRUM ON OTHER WHEEL PARTS FOR ROTATION THEREWITH AND BRAKE TRACK MATERIAL SECURED TO SAID SUPPORT MEANS AND COMPRISING SINTERED FERROUS METAL INFILTRATED WITH AN INFILTRANT MATERIAL HAVING A
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |