Patent US3416273A successfully refreshed from Google Patents.
US3416273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural-storey prefabricated buildings
Assignee: Elcon AG
•
Filing: 1964-11-06
•
Granted: 1968-12-17
•
Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Stucky Fritz Christoph
- 👤 Meuli Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:01
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/348; E04B1/34807; E04B1/34815; E04B1/34823
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |