Patent US4674637A successfully refreshed from Google Patents.
US4674637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Documents filing systems
Assignee: SIMAIR GRAPHIC EQUIPMENT Ltd
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Filing: 1984-08-24
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Granted: 1987-06-23
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Expires: 2004-08-24
Abstract
Abstract A document filing system including a document holder (1) provided along the top edge (3) thereof with retaining means (4) arranged to engage in complementary shaped supporting means (8), the release of the holder (1) and associated retaining means (4) from the said supporting means (8) being effected by relative movement between the retaining (4) and supporting means (8) in a direction normal to that required to locate the holder (1) and associated retaining means (4) on said supporting means (8).
Inventors
- 👤 Richard K. Lovelock
- 👤 Clive S. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:46
CPC Classifications
B; B42; B42F; B42F15/00; B42F15/0011; B42F15/0052; B42F15/0058
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
127 words
A document filing system, comprising: a document holder provided along the top edge thereof with channel section retaining means arranged to engage in complementary shaped supporting means, said supporting means defining an entrance slot and first and second inwardly facing engagement surfaces; said retaining means including engagement means defining first and second outwardly facing engagement surfaces; and said engagement means being arranged to be fed through the slot and snapped into a rigid inter-locking engagement with the supporting means such that the first inwardly facing engagement surface engages the first outwardly facing engagement surface and the second inwardly facing engagement surface engages the second outwardly facing engagement surface, said engagement means being releasable from said supporting means by sliding the retaining means relative to the supporting means.
Claim 2
Dependent Claim
127 words
A document filing system, comprising: a document holder provided along the top edge thereof with channel section retaining means arranged to engage in complementary shaped supporting means, said supporting means defining an entrance slot and first and second inwardly facing engagement surfaces; said retaining means including engagement means defining first and second outwardly facing engagement surfaces; and said engagement means being arranged to be fed through the slot and snapped into a rigid inter-locking engagement with the supporting means such that the first inwardly facing engagement surface engages the first outwardly facing engagement surface and the second inwardly facing engagement surface engages the second outwardly facing engagement surface, said engagement means being releasable from said supporting means by sliding the retaining means relative to the supporting means.
Claim 3
Dependent Claim
56 words
A document filing system as claimed in claim 1, wherein said supporting means further comprises an inwardly turned abutment adjacent to said entrance slot, and said engagement means carries a complementary abutment, said complementary abutment being adapted to engage said inwardly turned abutment when said engagement means is in rigid inter-locking engagement with the supporting means.
Claim 4
Dependent Claim
27 words
A document filing system as claimed in claim 2, wherein the retaining means and the supporting means each comprise resilient extrusions of a synthetic thermo-plastic resinous material.
Claim 5
Dependent Claim
21 words
A document filing system as claimed in claim 3, wherein the document holder comprises an envelope of a transparent plastic material.
Claim 6
Dependent Claim
16 words
A document filing system as claimed in claim 4, wherein the transparent plastic material is polythene.
Claim 7
Dependent Claim
26 words
A document filing system as claimed in claim 1, wherein the supporting means is provided with means for securing the supporting means to a planar surface.
Claim 8
Dependent Claim
24 words
A document filing system as claimed in claim 2, wherein the supporting means is provided with means for suspending the supporting means from rails.
Claim 9
Dependent Claim
21 words
A document filing system as claimed in claim 2, wherein said channel section retaining means is provided with a carrying handle.
Claim 10
Dependent Claim
26 words
A document filing system as claimed in claim 2, further comprising a transparent envelope having the channel section retaining means secured to the top edge thereof.
Claim 11
Dependent Claim
36 words
A document filing system as claimed in claim 4 wherein the envelope is provided with an opening along at least one lateral edge to allow the contents to be inserted in and removed from the envelope.
Claim 12
Dependent Claim
15 words
A document filing system as claimed in claim 3, wherein said resinous material is polypropylene.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-06-22 | 1990-12-22 | 1991-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-22 | 1994-12-22 | 1995-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-22 | 1998-12-22 | 1999-06-23 | $7700.00 | Window Closed / Lapsed |