US3503166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Architectural system of interior modular construction
Assignee: Yosh Nakazawa & Associates Inc
•
Filing: 1968-03-22
•
Granted: 1970-03-31
•
Expires: 1988-03-22
Abstract
No abstract record available.
Inventors
- 👤 Yoshio Nakazawa
- 👤 Harold A Lipper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:35
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/064; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B9/008; E04B9/12; E04B9/14; E04F; E04F15/00; E04F15/02; E04F15/024; E04F15/02447; E04F15/02458; E04B2002/7461; E04B2002/7468
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |