Patent US6496543B1 successfully refreshed from Google Patents.
US3525191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truss assembly set,especially for bracing concrete forms
Assignee: Individual
•
Filing: 1968-03-08
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Granted: 1970-08-25
•
Expires: 1988-03-08
Abstract
No abstract record available.
Inventors
- 👤 Emil Mauritz Hunnebeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:44
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/06; E04G11/08; E04G11/12; E04G17/00; E04G17/14; E04G11/36; E04G11/48; E04G11/50; E04G2011/505
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |