Patent US2747902A successfully refreshed from Google Patents.
US2747902A
Expired / Lapsed
US
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Seal for wheel brake
Assignee: Crane Packing Co
•
Filing: 1950-09-19
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Granted: 1956-05-29
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Expires: 1970-09-19
Abstract
No abstract record available.
Inventors
- 👤 Frank E Payne
- 👤 Harry I Sole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:07
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/10; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38; F16D51/00; F16D2051/001; F16D2051/005; Y; Y10; Y10S; Y10S277/00; Y10S277/904
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 |