Fastener device
Abstract
Abstract A PLASTIC FASTENER DEVICE FOR FASTENING TWO PLATES TOGETHER. THE FASTENER IS ADAPTED TO BE INSERTED THROUGH A SLOT IN A BASE PLATE AND RECEIVE A REMOVABLE PLATE IN LOCKING RELATION. THE FASTENER HAS A WING HEADED HANDLE CONNECTED TO A SHANK AND AN ENLARGED BASE PORTION. MERGING WITH THE SHANK AND FORMING AN UNDER PORTION OF THE WING HEADED HANDLE IS A CAM SURFACE WHICH IS ADAPTED UPON ROTATION TO BEAR WITH A SLIGHT DEGREE OF RESILIENCY AGAINST EDGES OF THE SLOT OF THE TOP PLATE IN BINDING AND LOCKING RELATION. THE SHANK IS SPLIT SUCH THAT THE FASTENER CAN BE INSERTED THROUGH A SLOT IN THE BASE PLATE AND RETAINED IN PLACE. THROUGH SIMPLE ROTATION OF THE FASTENER, THE TOP PLATE CAN BE UNLOCKED BY REGISTRATION OF THE SLOT IN THE TOP PLATE WITH THE WING HEADED HANDLE FOR READY REMOVAL OF THE TOP PLATE.
Inventors
- 👤 George P Heilman
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |