Patent US2168946A successfully refreshed from Google Patents.
US2168946A
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US
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Assignee: Individual
•
Filing: 1937-11-11
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Granted: 1939-08-08
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Expires: 1957-11-11
Abstract
No abstract record available.
Inventors
- 👤 James F Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:18
CPC Classifications
A; A44; A44B; A44B6/00; Y; Y10; Y10T; Y10T24/00; Y10T24/19; Y10T24/1969; Y10T24/31; Y10T24/312; Y10T24/34; Y10T24/3427; Y10T24/3449; Y10T24/3451
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) | 1942-08-07 | 1943-02-06 | 1943-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-07 | 1947-02-06 | 1947-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-07 | 1951-02-06 | 1951-08-08 | $7700.00 | Window Closed / Lapsed |