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US2514913A
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Assignee: Airco Inc
•
Filing: 1946-05-17
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Granted: 1950-07-11
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Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Tyrner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/50; H01H13/503; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H50/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US960450A
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US906056A
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US983976A
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FR511061A
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US1965125A
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US2049747A
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US2106581A
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US2319503A
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US2344654A
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US2451224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |