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US2441883A
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Assignee: Individual
•
Filing: 1946-05-28
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Granted: 1948-05-18
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Expires: 1966-05-28
Abstract
No abstract record available.
Inventors
- 👤 Algot W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:54
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/20; B65H75/22; B65H75/2245; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/512
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |