US3355978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nail
Assignee: LO DENSE FIXINGS RUGBY Ltd
•
Filing: 1965-10-07
•
Granted: 1967-12-05
•
Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Flintoft Trevor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:25
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/06; Y; Y10; Y10S; Y10S411/00; Y10S411/92
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A NAIL COMPRISING A SHANK HAVING A POINTED LEADING END AND A REAR HEAD END AND HAVING AN OPEN RECESS IN THE SIDE THEREOF A DISTANCE FROM SAID REAR HEAD END BUT NEARER TO THE HEAD END THAT TO THE POINTED LEADING END; AND A CROSS PIECE BLADE SUBSTANTIALLY THINNER THAN THE THICKNESS OF THE SHANK AND RIGIDLY AND PERMANENTLY SECURED IN SAID OPEN RECESS SO AS TO BE TRANSVERSE TO THE SHANK AND PROVIDE TWO ARMS EXTENDING LATERALLY THEREFROM, SAID BLADE LYING FLATWISE AGAINST THE SHANK SUBSTANTIALLY IN AN AXIAL PLANE OF THE SHANK FOR SELF-BURYING EDGEWISE CUTTING ENTRY INTO SOFT MATERIAL UPON THE SHANK BEING DRIVEN THROUGH SAID MATERIAL.
References Cited (Backward Citations)
CA487740A
Cited
US612407A
Cited
DE387611C
Cited
US572293A
Cited
US632540A
Cited
FR327217A
Cited
US1009487A
Cited
US1227722A
Cited
US2024325A
Cited
US2338754A
Cited
US2672832A
Cited
US2770194A
Cited
US3096680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |