US3205632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall-panel structure
Assignee: Southwestern Porcelain Steel Corp
•
Filing: 1962-11-13
•
Granted: 1965-09-14
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 John E Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:01
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1559967A
Cited
US1558410A
Cited
US2007354A
Cited
US2399891A
Cited
US2744589A
Cited
US2739677A
Cited
US3111203A
Cited
US3062338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |