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US2761104A
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Method and apparatus for testing gas tubes
Assignee: General Dynamics Corp
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Filing: 1955-01-03
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Granted: 1956-08-28
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Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Frank A Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:17
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/24; G01R31/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2088317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |