Patent US2369904A successfully refreshed from Google Patents.
US2369904A
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Assignee: LULU B MCKEE
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Filing: 1943-04-26
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Granted: 1945-02-20
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Expires: 1963-04-26
Abstract
No abstract record available.
Inventors
- 👤 Lulu B Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:21
CPC Classifications
B; B23; B23B; B23B5/00; Y; Y10; Y10S; Y10S29/00; Y10S29/054; Y10S29/081; Y10S29/101; Y10S82/00; Y10S82/901; Y10T; Y10T82/00; Y10T82/15; Y10T82/154; Y10T82/156; Y10T82/25; Y10T82/2552; Y10T82/2564; Y10T82/2566
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) | 1948-02-20 | 1948-08-21 | 1949-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-20 | 1952-08-21 | 1953-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-20 | 1956-08-21 | 1957-02-20 | $7700.00 | Window Closed / Lapsed |