US3959904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microfiche storage unit
Assignee: BELL & HOWELL COMPANY A CORP OF DELAWARE
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Filing: 1974-11-04
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Granted: 1976-06-01
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Expires: 1994-11-04
Abstract
Abstract A microfiche unit for storing and cleaning microfiche cards or sheets. A pair of hingedly connected covers capable of being opened into a common plane are provided with a plurality of terraced pockets on their inner surfaces. Cleaning elements are secured to the exposed edges of the pockets for wiping contact with the microfiche during their insertion and removal.
Inventors
- 👤 Robert G. Holliday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:08
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/02; B; B42; B42F; B42F17/00; B42F17/32
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
93 words
A storage unit for microfiche which unit comprises, in combination: A. a pair of covers hingedly secured together for opening into a common plane formed by adjacent surfaces of the covers; B. a plurality of terraced pockets having upper exposed edges secured to the adjacent surfaces of the covers forming the common plane for receiving and storing microfiche; and C. cleaning means secured to the exposed edges of the terraced pockets for wiping contact with both sides of a microfiche simultaneously as it is inserted into and removed from any of the pockets.
Claim 2
Dependent Claim
93 words
A storage unit for microfiche which unit comprises, in combination: A. a pair of covers hingedly secured together for opening into a common plane formed by adjacent surfaces of the covers; B. a plurality of terraced pockets having upper exposed edges secured to the adjacent surfaces of the covers forming the common plane for receiving and storing microfiche; and C. cleaning means secured to the exposed edges of the terraced pockets for wiping contact with both sides of a microfiche simultaneously as it is inserted into and removed from any of the pockets.
Claim 3
Dependent Claim
26 words
The storage unit of claim 1 wherein the terraced pockets are formed from a continuous length of flexible material, folded and secured together in overlapping relationship.
Claim 4
Dependent Claim
25 words
The storage unit of claim 1 wherein the terraced pockets are formed from a plurality of individial sheets of material secured together in overlapping relationship.
Claim 5
Dependent Claim
37 words
The storage unit of claim 1 wherein the cleaning means includes a flexible strip of material secured around exposed edge of each terraced pocket such that adjacent strips of material are in abutting contact with each other.
Claim 6
Dependent Claim
47 words
The storage unit of claim 1 wherein the cleaning means includes a removable C-shaped base member enclosing the exposed edge of each terraced pocket, with a strip of flexible material secured each base member such that adjacent strips of material are in abutting contact with each other.
Claim 7
Dependent Claim
21 words
The storage unit of claim 1 wherein the cleaning means includes a chemical agent for facilitating the cleaning of the microfiche.
Claim 8
Dependent Claim
12 words
The storage unit of claim 6 wherein the chemical agent is silicone.
Claim 9
Dependent Claim
20 words
The storage unit of claim 1 wherein the covers further include parallel flanges for enclosing and protecting the terraced pockets.
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) | 1979-06-01 | 1979-12-01 | 1980-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-01 | 1983-12-01 | 1984-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-01 | 1987-12-01 | 1988-06-01 | $7700.00 | Window Closed / Lapsed |