US3477485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for assembling wooden t and i beams
Assignee: Potlatch Forests Inc
•
Filing: 1967-05-19
•
Granted: 1969-11-11
•
Expires: 1987-05-19
Abstract
No abstract record available.
Inventors
- 👤 John W Talbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:49
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/0013; B27M3/0026; E; E04; E04C; E04C3/00; E04C3/02; E04C3/12; E04C3/14; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1082; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49634
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |