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US2166479A
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Assignee: MARION P MCCAFFREY
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Filing: 1938-04-23
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Granted: 1939-07-18
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Expires: 1958-04-23
Abstract
No abstract record available.
Inventors
- 👤 Ruddock William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:39
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/64; B66C23/66; B66C13/00; B66C13/04; B66C13/08; B66C3/00; B66C3/06; Y; Y10; Y10S; Y10S254/00; Y10S254/901; Y10S414/00; Y10S414/126; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969; Y10T24/3971
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) | 1942-07-17 | 1943-01-16 | 1943-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-17 | 1947-01-16 | 1947-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-17 | 1951-01-16 | 1951-07-18 | $7700.00 | Window Closed / Lapsed |