Patent USD279781S successfully refreshed from Google Patents.
USD279781S
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable personal computer
Assignee: Suwa Seikosha KK
•
Filing: 1982-11-19
•
Granted: 1985-07-23
•
Expires: 2002-11-19
Abstract
No abstract record available.
Inventors
- 👤 Yoshikazu Kawakami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
—
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
The ornamental design for a portable personal computer, as shown and described.
References Cited (Backward Citations)
USD253947S
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-07-22 | 1989-01-21 | 1989-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-22 | 1993-01-21 | 1993-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-22 | 1997-01-21 | 1997-07-23 | $7700.00 | Window Closed / Lapsed |