US4528261B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4528261B1 - - Google Patents
Assignee: EIDP Inc
•
Filing: 1983-03-28
•
Granted: 1988-11-15
•
Expires: 2003-03-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:50
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/16; G03F7/161; G03F7/20; G03F7/2022; H; H05; H05K; H05K3/00; H05K3/0073; H05K3/0082; H05K2203/00; H05K2203/05; H05K2203/0502; H05K2203/0505; H05K2203/0548; H05K2203/056; H05K2203/06; H05K2203/066; H05K2203/13; H05K2203/1377; H05K2203/1394; H05K3/0094; H05K3/02; H05K3/06; H05K3/061; H05K3/064; Y; Y10; Y10S; Y10S430/00; Y10S430/136
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) | 1991-11-15 | 1992-05-16 | 1992-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-15 | 1996-05-16 | 1996-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-15 | 2000-05-16 | 2000-11-15 | $7700.00 | Window Closed / Lapsed |