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US2937820A
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Strip chart recorder
Assignee: General Electric Co
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Filing: 1955-10-03
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Granted: 1960-05-24
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Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Myron S Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:33
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1302803A
Cited
FR621658A
Cited
US1664467A
Cited
US1913176A
Cited
US2097592A
Cited
US2199594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |