US4468702B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4468702B1 - - Google Patents
Assignee: SUN-FLEX LP
•
Filing: 1982-04-16
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Granted: 1990-04-03
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Expires: 2002-04-16
Abstract
No abstract record available.
Inventors
- 👤 H M Jandrell Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:23
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/867; H01J29/868; H05; H05F; H05F3/00; H05F3/02; H01J2229/00; H01J2229/863; H01J2229/8633
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) | 1993-04-02 | 1993-10-02 | 1994-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-02 | 1997-10-02 | 1998-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-02 | 2001-10-02 | 2002-04-03 | $7700.00 | Window Closed / Lapsed |