US2524853A
Expired / Lapsed
US
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Assignee: O E Szekely & Associates Inc
•
Filing: 1947-12-03
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Granted: 1950-10-10
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Expires: 1967-12-03
Abstract
No abstract record available.
Inventors
- 👤 Otto E Szekely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/30; F16D3/32; F16H; F16H1/00; F16H1/006; F16H1/28; F16H1/48; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/905
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |