Patent US4843399B1 successfully refreshed from Google Patents.
US4843399B1
Expired / Lapsed
US
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Portable navigational communications transceiver
Assignee: NARCO AVIONICS Inc A CORP OF PA
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Filing: 1986-07-30
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Granted: 1994-04-05
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Expires: 2006-07-30
Abstract
No abstract record available.
Inventors
- 👤 Robert A Bongiorno
- 👤 John F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/04; G01S1/08; G01S1/44; G01S1/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-04-04 | 1997-10-04 | 1998-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-04-04 | 2001-10-04 | 2002-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-04-04 | 2005-10-04 | 2006-04-05 | $7700.00 | Window Closed / Lapsed |