Patent US2777349A successfully refreshed from Google Patents.
US2777349A
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US
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Control system
Assignee: Elsag Bailey Inc
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Filing: 1951-12-07
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Granted: 1957-01-15
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Expires: 1971-12-07
Abstract
No abstract record available.
Inventors
- 👤 Johnson Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:34
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q2735/00; B23Q2735/02; B23Q2735/08; B23Q2735/082; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T408/00; Y10T408/08; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/25; Y10T82/2511; Y10T82/2552; Y10T82/2558
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US9616A
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US400820A
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US864655A
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US1286309A
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US1342983A
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US1611191A
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GB561041A
Cited
US2437570A
Cited
GB660112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |