Patent US5390811A successfully refreshed from Google Patents.
US5390811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wafer basket for containing semiconductor wafers
Assignee: Shin-Etsu Polymer Co Ltd
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Filing: 1994-03-04
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Granted: 1995-02-21
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Expires: 2014-03-04
Abstract
Abstract A wafer basket which is provided with a new type of locking and unlocking device for locking the top lid to the main body of the outer box and unlocking the same, wherein it is possible to unlock it by merely pressing a part of the locking and unlocking device inwardly; furthermore, the top lid and the bottom of the main body are shaped such that they fit and engage with each other.
Inventors
- 👤 Nobuyoshi Ogino
- 👤 Toshitsugu Yajima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:06
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/10; H10P72/19; H10P72/1914; B; B65; B65D; B65D21/00; B65D21/02; B65D21/0209; B65D21/0217; B65D21/0223; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/0212; H10P72/1918; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/0012; B65D2543/00175; B65D2543/00194; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00518; B65D2543/00537; B65D2543/00555; B65D2543/00574; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/00629; B65D2543/00675; B65D2543/00694; B65D2543/00712; B65D2543/00722; B65D2543/00759; B65D2543/00777; B65D2543/00787; B65D2543/00805; B65D2543/00824; B65D2543/00888; B65D2543/00953; B65D2543/00962; B65D2543/00972
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
219 words
A container for semiconductor wafers comprising an outer box having a main body with sides and a lid having a peripheral brim surrounding a portion of said sides of said main body when said lid is placed on said main body, said lid being further adapted to fit on an edge of said sides of said main body, at least one side of at least one of said main body and said lid having a click boss integrally formed therewith, a corresponding side of the other of said main body and said lid having a hook means integrally formed therewith for engaging said click boss, at least one of said click boss and said hook means including means for causing engagement of said hook means and said click boss when said lid is fitted on sid main body, and a means located at a periphery of said container for disengaging said hook means from said click boss when an inward force is applied to said hook means, said means for disengaging said hook means from said click boss including fulcrum boss member, integrally formed with at least one of said main body and said lid at a location adjacent said hook means, for causing outward motion of a portion of said hook means in response to said inward force.
Claim 2
Dependent Claim
219 words
A container for semiconductor wafers comprising an outer box having a main body with sides and a lid having a peripheral brim surrounding a portion of said sides of said main body when said lid is placed on said main body, said lid being further adapted to fit on an edge of said sides of said main body, at least one side of at least one of said main body and said lid having a click boss integrally formed therewith, a corresponding side of the other of said main body and said lid having a hook means integrally formed therewith for engaging said click boss, at least one of said click boss and said hook means including means for causing engagement of said hook means and said click boss when said lid is fitted on sid main body, and a means located at a periphery of said container for disengaging said hook means from said click boss when an inward force is applied to said hook means, said means for disengaging said hook means from said click boss including fulcrum boss member, integrally formed with at least one of said main body and said lid at a location adjacent said hook means, for causing outward motion of a portion of said hook means in response to said inward force.
Claim 3
Dependent Claim
21 words
A container as recited in claim 1, wherein said hook means includes a resilient engagement tongue for engaging said click boss.
Claim 4
Dependent Claim
26 words
A container as recited in claim 2, wherein said fulcrum boss is located to engage said hook means at the approximate mid-point of said resilient tongue.
Claim 5
Dependent Claim
34 words
A container as recited in claim 1, wherein said fulcrum boss is integrally formed with said at least one of said main body and said lid at a location spaced from said click boss.
Claim 6
Dependent Claim
46 words
A container as recited in claim 1, wherein said click boss has a face for engagement by said hook means and said means for causing engagement includes a sloped surface of said click boss forming an angle with said face for engagement by said hook means.
Claim 7
Dependent Claim
13 words
A container as recited in claim 5, wherein said angle is approximately 80°.
Claim 8
Dependent Claim
53 words
A container as recited in claim 1, wherein a pair of said hook means are provided on at least one side of said peripheral brim of said lid and a pair of click bosses are provided on a corresponding side of said main body for engagement by respective ones of said hook means.
Claim 9
Dependent Claim
29 words
A container as recited in claim 1 wherein a bottom of said main body and a top of said lid are shaped to fit with and engage each other.
Claim 10
Dependent Claim
250 words
A container for semiconductor wafers comprising an outer box having a main body with sides and a lid having a peripheral brim surrounding a portion of said sides of said main body when said lid is placed on said main body, said lid being further adapted to fit on an edge of said sides of said main body, at least one side of at least one of said main body and said lid having a click boss integrally formed therewith, a corresponding side of the other of said main body and said lid having a hook means integrally formed therewith for engaging said click boss, at least one of said click boss and said hook means including means for causing engagement of said hook means and said click boss when said lid is fitted on said main body, and a means located at a periphery of said container for disengaging said hook means from said click boss when an inward force is applied to said hook means, said means for disengaging said hook means from said click boss including a fulcrum boss integrally formed with at least one of said main body and said lid at a location adjacent said hook means whereby a portion of said hook means is forced outwardly by said inward force, wherein said hook means includes a resilient engagement tongue for engaging said click boss, and wherein said fulcrum boss is located to engage said hook means at the approximate mid-point of said resilient tongue.
Claim 11
Dependent Claim
250 words
A container for semiconductor wafers comprising an outer box having a main body with sides and a lid having a peripheral brim surrounding a portion of said sides of said main body when said lid is placed on said main body, said lid being further adapted to fit on an edge of said sides of said main body, at least one side of at least one of said main body and said lid having a click boss integrally formed therewith, a corresponding side of the other of said main body and said lid having a hook means integrally formed therewith for engaging said click boss, at least one of said click boss and said hook means including means for causing engagement of said hook means and said click boss when said lid is fitted on said main body, and a means located at a periphery of said container for disengaging said hook means from said click boss when an inward force is applied to said hook means, said means for disengaging said hook means from said click boss including a fulcrum boss integrally formed with at least one of said main body and said lid at a location adjacent said hook means whereby a portion of said hook means is forced outwardly by said inward force, wherein said hook means includes a resilient engagement tongue for engaging said click boss, and wherein said fulcrum boss is located to engage said hook means at the approximate mid-point of said resilient tongue.
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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) | 1998-02-20 | 1998-08-22 | 1999-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-02-20 | 2002-08-22 | 2003-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-02-20 | 2006-08-22 | 2007-02-21 | $7700.00 | Window Closed / Lapsed |