US2997138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wear compensating brake
Assignee: JOSEPH E MADDEN
•
Filing: 1959-04-28
•
Granted: 1961-08-22
•
Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 Toby T Cagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:12
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/28; F16D55/32; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D2055/0004; F16D2055/0062; F16D2125/00; F16D2125/02; F16D2125/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |