US2454014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Individual
•
Filing: 1945-02-21
•
Granted: 1948-11-16
•
Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Seybold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:51
CPC Classifications
F; F16; F16D; F16D67/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1054666A
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US1480239A
Cited
US2176138A
Cited
US2211233A
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US2374688A
Cited
US2377696A
Cited
US2317498A
Cited
US2361105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |