US4049127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanging file folder support frame
Assignee: Hunt Holdings Inc
•
Filing: 1976-08-30
•
Granted: 1977-09-20
•
Expires: 1996-08-30
Abstract
Abstract A hanging file support frame has a pair of file folder support rails and a pair of transverse members. Four corner fittings supported in an elevated position each have a substantially vertical slot receiving one end of a rail and a substantially horizontal slot receiving one end of a transverse member. Each transverse member overlies both rails to prevent the upward movement of the rails.
Inventors
- 👤 Robert L. Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:49
CPC Classifications
B; B42; B42F; B42F15/00; B42F15/007; B42F15/0082; B42F15/0094; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
90 words
A hanging file folder support frame comprising: a pair of file folder support rails, a pair of transverse members, four corner fittings each having a substantially vertical slot receiving one end of a rail and having an entrance at the top thereof for the passage of a rail into the slot and a substantially horizontal slot receiving one end of a transverse member and securing it against upward movement. each transverse member overlying both rails to prevent the upward movement of the rails, and a leg supporting each corner fitting.
Claim 2
Dependent Claim
90 words
A hanging file folder support frame comprising: a pair of file folder support rails, a pair of transverse members, four corner fittings each having a substantially vertical slot receiving one end of a rail and having an entrance at the top thereof for the passage of a rail into the slot and a substantially horizontal slot receiving one end of a transverse member and securing it against upward movement. each transverse member overlying both rails to prevent the upward movement of the rails, and a leg supporting each corner fitting.
Claim 3
Dependent Claim
28 words
A frame in accordance with claim 1 in which a reduced end portion of each transverse member overlies the adjacent rail and is received in the horizontal slot.
Claim 4
Dependent Claim
27 words
A frame in accordance with claim 2 having an extension extending at a right angle from the reduced end portion and received in the substantially horizontal slot.
Claim 5
Dependent Claim
57 words
A frame in accordance with claim 1 in which each end of each transverse member has an opening and the horizontal slot of the corner fitting extends around the fitting and receives therein portions of the transverse member adjacent the opening to hold the transverse member against vertical movement and movement in the direction of its length.
Claim 6
Dependent Claim
29 words
A frame in accordance with claim 1 in which the entrance to the substantially vertical slot is reduced and is smaller in width than the thickness of the rail.
Claim 7
Dependent Claim
25 words
A frame in accordance with claim 4 in which at least a part of the portions of the transverse member adjacent said opening is roughened.
Claim 8
Dependent Claim
20 words
A frame in accordance with claim 4 in which each transverse member is tapered to facilitate entry into the slots.
Claim 9
Dependent Claim
22 words
A frame in accordance with claim 4 in which each slot is tapered to facilitate the entry of the adjacent transverse member.
Claim 10
Dependent Claim
26 words
A frame in accordance with claim 6 in which the roughening comprises teeth arranged to resist the withdrawal of the transverse member from the horizontal slot.
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) | 1980-09-19 | 1981-03-21 | 1981-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-19 | 1985-03-21 | 1985-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-19 | 1989-03-21 | 1989-09-20 | $7700.00 | Window Closed / Lapsed |