Patent US2369826A successfully refreshed from Google Patents.
US2369826A
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Assignee: Individual
•
Filing: 1942-08-05
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Granted: 1945-02-20
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Expires: 1962-08-05
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F W Heyer
- 👤 Clarence W Dalzell
- 👤 John W Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:25
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/90; H02J7/971; H02J7/975; H02J7/977; H02J7/02; H02J7/60; H02J7/62; H02J7/65; H02J7/80; Y; Y10; Y10S; Y10S320/00; Y10S320/28
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 |