Patent US4175774B1 successfully refreshed from Google Patents.
US4175774B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4175774B1 - - Google Patents
Assignee: BEDINGHAUS BUSINESS COMMUNICATIONS Inc A CORP OF DELAWARE
•
Filing: 1978-03-23
•
Granted: 1987-04-28
•
Expires: 1998-03-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:53
CPC Classifications
B; B41; B41M; B41M3/00; B41M3/14; B41M3/146; B42; B42D; B42D25/00; B42D25/20; B42D25/29; B42D25/30; B42D25/333; G; G03; G03C; G03C5/00; G03C5/08; G03G; G03G21/00; G03G21/04; G03G21/043; G07; G07D; G07D7/00; G07D7/003; Y; Y10; Y10S; Y10S283/00; Y10S283/902
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) | 1990-04-27 | 1990-10-27 | 1991-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-27 | 1994-10-27 | 1995-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-27 | 1998-10-27 | 1999-04-28 | $7700.00 | Window Closed / Lapsed |