US2433138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device for connecting two separable members
Assignee: Napier Turbochargers Ltd
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Filing: 1946-03-18
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Granted: 1947-12-23
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Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Marcell Reginald Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10; F16B21/00; F16B21/10; F16B21/16; F16B21/165; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/949; Y10S411/955; Y10S411/965; Y10S411/969; Y10S411/971; Y10S411/974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |