US2464379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal seal nut
Assignee: Weatherhead Co
•
Filing: 1945-11-19
•
Granted: 1949-03-15
•
Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 Louis B Courtot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:39
CPC Classifications
F; F16; F16B; F16B37/00; Y; Y10; Y10S; Y10S29/00; Y10S29/034; Y10S411/00; Y10S411/924; Y10S411/947; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T29/49995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2167215A
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US2203937A
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US2324737A
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US2342425A
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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) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |