US4798142B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4798142B1 - - Google Patents
Assignee: Northrop Grumman Innovation Systems LLC
•
Filing: 1986-08-18
•
Granted: 1990-12-04
•
Expires: 2006-08-18
Abstract
No abstract record available.
Inventors
- 👤 B Canterberry J
- 👤 A Flanigan David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:33
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/26; B60R21/264; B60R21/2644; C; C06; C06B; C06B21/00; C06B21/0083; C06B45/00; C06D; C06D5/00; F; F42; F42B; F42B3/00; F42B3/04; F42B5/00; F42B5/02; F42B5/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1993-12-03 | 1994-06-04 | 1994-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-03 | 1998-06-04 | 1998-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-03 | 2002-06-04 | 2002-12-04 | $7700.00 | Window Closed / Lapsed |