US3468090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constructional element and method of making the same
Assignee: Individual
•
Filing: 1965-11-24
•
Granted: 1969-09-23
•
Expires: 1985-11-24
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hermite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:28
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/06; E04C3/00; E04C3/02; E04C3/29; E04C3/293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1066006B
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FR595000A
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US1794079A
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CH210311A
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US2921463A
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GB809050A
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US3271917A
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GB910631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |