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US2421055A
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Assignee: Individual
•
Filing: 1944-03-08
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Granted: 1947-05-27
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Expires: 1964-03-08
Abstract
No abstract record available.
Inventors
- 👤 Irma M Cowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:22
CPC Classifications
A; A41; A41D; A41D27/00; A41D27/20; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3484; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45785
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-26 | 1950-11-25 | 1951-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-26 | 1954-11-25 | 1955-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-26 | 1958-11-25 | 1959-05-27 | $7700.00 | Window Closed / Lapsed |