Patent US4677049A successfully refreshed from Google Patents.
US2077451A
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Method and apparatus for controlling the actuation of recorders
Assignee: Schneider Electric Systems USA Inc
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Filing: 1933-09-30
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Granted: 1937-04-20
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Expires: 1953-09-30
Abstract
No abstract record available.
Inventors
- 👤 Charles H Wilson
- 👤 Cuthbert J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:21
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/2236; G05D23/2239; G01; G01R; G01R13/00; G01R13/38; G02; G02B; G02B5/00; G02B5/005; Y; Y10; Y10S; Y10S33/00; Y10S33/03; Y10S73/00; Y10S73/11
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) | 1940-04-19 | 1940-10-19 | 1941-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-04-19 | 1944-10-19 | 1945-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-04-19 | 1948-10-19 | 1949-04-20 | $7700.00 | Window Closed / Lapsed |