US3650878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for anchoring fasteners in cellular plastic materials and joints obtained thereby
Assignee: Saab Bofors AB
•
Filing: 1968-10-08
•
Granted: 1972-03-21
•
Expires: 1988-10-08
Abstract
Abstract A strong direct joint between a fastener element and a block of cellular plastic material is obtained by providing a wide contact surface between the element and the block and then providing a layer of hardenable plastic material in the space between the element and the block.
Inventors
- 👤 Erik Harry Mattsson
- 👤 Hans Ulrich Wurth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:47
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/4865; B29C65/487; B29C65/488; B29C65/4885; B29C66/00; B29C66/40; B29C66/47; B29C66/474; B29C66/70; B29C66/72; B29C66/727; B29C66/74; B29C65/4805; B29C65/483; B29C65/52; B29C65/54; B29C66/71; B29C66/742; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017; Y10T428/24273; Y10T428/249921; Y10T428/249953; Y10T428/249981
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US773306A
Cited
US2164244A
Cited
US2511168A
Cited
US2760898A
Cited
US2898258A
Cited
GB1048686A
Cited
US3444018A
Cited
US3414305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |