US2383808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: MacLean Fogg Lock Nut Co
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Filing: 1942-07-08
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Granted: 1945-08-28
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Expires: 1962-07-08
Abstract
No abstract record available.
Inventors
- 👤 Jr John A Maclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:22
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/02; E04B5/10; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/961; Y10S411/963; Y10S411/964; Y10T; Y10T403/00; Y10T403/49; Y10T403/4974; Y10T403/71; Y10T403/7117
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) | 1948-08-27 | 1949-02-26 | 1949-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-27 | 1953-02-26 | 1953-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-27 | 1957-02-26 | 1957-08-28 | $7700.00 | Window Closed / Lapsed |