Patent US3482406A successfully refreshed from Google Patents.
US3482406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overfilled arch-shaped load support structure
Assignee: Heierli and Co
•
Filing: 1967-08-14
•
Granted: 1969-12-09
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Armin Schuppisser
- 👤 Werner Heierli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:43
CPC Classifications
E; E01; E01D; E01D4/00; E04; E04B; E04B1/00; E04B1/32; E01D2101/00; E01D2101/20; E01D2101/24; E01D2101/26; E04B2001/327
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |