US3248840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Individual
•
Filing: 1963-02-18
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Granted: 1966-05-03
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Petterson Adolf Helmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:40
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04B; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/5871; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0417; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0452
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
206 words
A FASTENING DEVICE FOR PANELS COMPRISING: AN ELONGATED SUPPORT MEMBER HAVING A SUPPORT SURFACE THEREON FOR ENGAGING ONE SIDE OF A PANEL TO BE FASTENED; MEANS DEFINING AN ELONGATED FIRST SURFACE ON SAID SUPPORT MEMBER; MEANS DEFINING AN ELONGATED SECOND SURFACE ON SAID SUPPORT MEMBER, SAID SECOND SURFACE GENERALLY FACING SAID FIRST SURFACE, BOTH OF SAID SURFACES BEING GENERALLY CYLINDRICAL AND HAVING A COMMON AXIS OF CURVATURE; AN ELONGATED FASTENING MEMBER FORMED OF A RESILIENT MATERIAL AND INCLUDING AN ELONGATED FIRST FLANGE HAVING A PAIR OF ELONGATED SURFACES THEREON, SAID FIRST FLANGE BEING DRIVEN BETWEEN SAID FIRST AND SECOND SURFACES ON SAID SUPPORT MEMBER WITH SAID PAIR OF SURFACES ENGAGING SAID FIRST AND SECOND SURFACES RESPECTIVELY; AND MEANS DEFINING AN ELONGATED SECOND FLANGE ON SAID FASTENING MEMBER HAVING A SUPPORT SURFACE THEREON FOR ENGAGING THE OTHER SIDE OF THE PANEL TO BE FASTENED, SAID SUPPORT SURFACE ON SAID FASTENING MEMBER BEING POSITIONED WITH RESPECT TO SAID PAIR OF SURFACES SUCH THAT WHEN SAID FIRST FLANGE IS DRIVEN BETWEEN SAID FIRST AND SECOND SURFACES SAID FASTENING MEMBER WILL BECOME RESILIENTLY STRESSED TO RESILIENTLY CLAMP THE PANEL AGAINST THE SUPPORT SURFACE ON SAID SUPPORT MEMBER, SAID AXIS OF CURVATURE LYING BELOW THE SUPPORT SURFACE ON SAID FASTENING MEMBER.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |