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US3003349A
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Warning system
Assignee: Arthur D Little Inc
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Filing: 1959-03-09
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Granted: 1961-10-10
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Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Sullivan Frederick
- 👤 Eaton Samuel Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:05
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/20; G01M3/22; G01M3/226; G21; G21C; G21C17/00; G21C17/02; G21C17/04; G21C17/048; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243741A
Cited
US339206A
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US2096099A
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US2844735A
Cited
US2846872A
Cited
US2518327A
Cited
US2878392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |