US2747264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Renewing brake heads
Assignee: American Steel Foundries
•
Filing: 1950-06-30
•
Granted: 1956-05-29
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Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 John A Buvelot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:36
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/04; F16D65/06; F16D65/062; B; B23; B23K; B23K31/00; B23K31/02; B23K31/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49732; Y10T29/49734; Y10T29/49737
Claims Analysis
Total Claims: 0
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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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |