US3522618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural element and assembly
Assignee: Individual
•
Filing: 1968-01-26
•
Granted: 1970-08-04
•
Expires: 1988-01-26
Abstract
No abstract record available.
Inventors
- 👤 Hermann Stranzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:01
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/34; B63B35/38; E; E01; E01D; E01D15/00; E01D15/14; E02; E02B; E02B3/00; E02B3/04; E02B3/06; E02B3/062; E02B3/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125009A
Cited
US1852715A
Cited
US2401453A
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US2680698A
Cited
US2876726A
Cited
US2999431A
Cited
US3386117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |