Patent US3526067A successfully refreshed from Google Patents.
US3526067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction and structural element therefor
Assignee: Individual
•
Filing: 1968-01-30
•
Granted: 1970-09-01
•
Expires: 1988-01-30
Abstract
No abstract record available.
Inventors
- 👤 Oskar Furter
- 👤 Aldo Henggeler
- 👤 Roland Crottaz
- 👤 Hans Seghizzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:42
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/348; E04B1/34815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA753001A
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CA778542A
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US2222037A
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DE1082035B
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US3103709A
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US3152421A
Cited
US3201502A
Cited
US3367063A
Cited
US3225434A
Cited
FR1371438A
Cited
US3377755A
Cited
GB1098003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |