US3049667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Collins Radio Co
•
Filing: 1959-01-20
•
Granted: 1962-08-14
•
Expires: 1979-01-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel L Broadhead
- 👤 Arthur L Kemper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:37
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0676; H; H03; H03H; H03H7/00; H03H7/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1568141A
Cited
US1601070A
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US2341240A
Cited
US2264151A
Cited
GB607174A
Cited
GB712527A
Cited
GB727434A
Cited
US2871348A
Cited
US2944215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |