Patent US4610565A successfully refreshed from Google Patents.
US4610565A
Expired / Lapsed
US
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Device for joining frame members for picture frame
Assignee: Individual
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Filing: 1985-04-15
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Granted: 1986-09-09
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Expires: 2005-04-15
Abstract
Abstract A device for joining frame members of a picture frame of the type comprising a pair of upper and lower frame members, a pair of side frame members and four joint members, each frame member being integrally formed with a laterally extended groove into which are inserted a glass plate and a back plate and a dovetail groove into which is inserted the joint member, characterized in that a ridge is extended at the bottom of each frame member in the longitudinal direction thereof; and handles with cam surfaces for frictional engagement with the dovetail grooves of the frame members are pivotably attached to each joint member.
Inventors
- 👤 Toshikazu Nakayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:36
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/06; A47G1/10; A47G1/101; A47G1/102; E; E06; E06B; E06B3/00; E06B3/96; E06B3/964; E06B3/968; E06B3/98; E06B3/982; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; F16B2200/00; F16B2200/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A device for joining frame members of a picture frame of the type comprising an upper frame member, a lower frame member, a pair of side frame members and four L-shaped joining members, each frame member being integrally formed with a laterally extended groove and a dovetail groove with a ridge extending longitudinally on the lower surface of said dovetail groove, and each joining member including handles with cam surfaces pivotably attached to said joining member and an inverted groove extending longitudinally on the lower surface of said joining member.
Claim 2
Independent Claim
90 words
A device for joining frame members of a picture frame of the type comprising an upper frame member, a lower frame member, a pair of side frame members and four L-shaped joining members, each frame member being integrally formed with a laterally extended groove and a dovetail groove with a ridge extending longitudinally on the lower surface of said dovetail groove, and each joining member including handles with cam surfaces pivotably attached to said joining member and an inverted groove extending longitudinally on the lower surface of said joining 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) | 1989-09-08 | 1990-03-10 | 1990-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-08 | 1994-03-10 | 1994-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-08 | 1998-03-10 | 1998-09-09 | $7700.00 | Window Closed / Lapsed |