US3420025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite structural member with nailing means
Assignee: Stanray Corp
•
Filing: 1967-04-21
•
Granted: 1969-01-07
•
Expires: 1987-04-21
Abstract
No abstract record available.
Inventors
- 👤 William H Portz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:44
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/20; B62D25/2054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE658809C
Cited
US2084853A
Cited
US2217110A
Cited
US2382761A
Cited
US2852112A
Cited
US3132605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |