US4604111B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4604111B1 - - Google Patents
Assignee: Gpac Inc
•
Filing: 1985-05-20
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Granted: 1989-06-06
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Expires: 2005-05-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:46
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10; B01D46/56; B01D46/62; B01D46/64; B01D2273/00; B01D2273/28; B01D2275/00; B01D2275/30; B01D2275/305; Y; Y10; Y10S; Y10S160/00; Y10S160/08
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) | 1992-06-05 | 1992-12-05 | 1993-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-05 | 1996-12-05 | 1997-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-05 | 2000-12-05 | 2001-06-06 | $7700.00 | Window Closed / Lapsed |