US2932812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic analyzer
Assignee: Gilfillan Bros Inc
•
Filing: 1956-02-24
•
Granted: 1960-04-12
•
Expires: 1976-02-24
Abstract
No abstract record available.
Inventors
- 👤 William T O'neil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:59
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/91; G01S13/913; G01S13/66; G01S13/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2439948A
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US2509850A
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US1929402A
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US2363416A
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US2391469A
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US2559622A
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US2477395A
Cited
US2535162A
Cited
US2642527A
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US2715181A
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US2674732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |