Patent US3362121A successfully refreshed from Google Patents.
US3362121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor and roof constructions
Assignee: CANAM STEEL Corp A DE CORP
•
Filing: 1965-03-03
•
Granted: 1968-01-09
•
Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Weber Adolph Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:07
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/17; E04B5/23; E04B5/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1806639A
Cited
US1915424A
Cited
US1918345A
Cited
US1804132A
Cited
US2459037A
Cited
US2578465A
Cited
US3158925A
Cited
FR1355345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |