Patent US1618516A successfully refreshed from Google Patents.
US3090145A
Expired / Lapsed
US
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Slide frame
Assignee: Individual
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Filing: 1961-09-19
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Granted: 1963-05-21
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Expires: 1981-09-19
Abstract
No abstract record available.
Inventors
- 👤 Goyke Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:25
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A TWO-PART MOUNTING DEVICE FOR DIAPOSITIVES COMPRISING IN COMBINATION (A) A SUBSTANTIALLY RECTANGULAR FRAME PLATE AND A CONFORMINGLY SHAPED COVER PLATE ADAPTED TO BE SLIDINGLY PUSHED OVER THE FRAME PLATE INTO AN ASSEMBLED POSITION WITH THEIR INNER SURFACE FACING EACH OTHER; (B) A GUIDE LEDGE ON EACH OF THE PARALLEL LATERAL BORDERS OF THE FRAME PLATE TO SLIDINGLY GUIDE THE COVER PLATE INTO AND OUT OF SAID ASSEMBLED POSITIONS, AND A SEALING LEDGE ON ONE OF THE TRANSVERSE BORDERS OF THE FRAME PLATE, SAID LEDGES PROJECTING FROM THE INNER SURFACE OF THE FRAME PLATE FORMING A U-SHAPED UNIT, AND SAID SEALING EDGE ABUTTING IN SAID ASSEMBLED POSITION THE FORWARD EDGE OF THE COVER PLATE FIRST ENTERING BETWEEN SAID GUIDE LEDGES; (C) A FIRST AND SECOND WINDOW CENTRALLY LOCATED IN THE FRAME PLATE AND IN THE COVER PLATE, RESPECTIVELY, AND REGISTERING IN SAID ASSEMBLED POSITION OF SAID PLATES; (D) AN ASSEMBLY OF FOUR RECTANGULARLY ARRANGED CONTACT RAILS PROJECTING FROM THE INNER SURFACE OF THE FRAME PLATE AND COMPRISING TWO LATERAL RAILS EXTENDING PARALLEL TO SAID GUIDE LEDGES, A LOWER RAIL OPPOSITE TO AND PARALLEL TO SAID SEALING EDGE AND AN UPPER RAIL, SAID ASSEMBLY SURROUNDING SAID FIRST WINDOW AND DIMEN-
Claim 2
Dependent Claim
199 words
A TWO-PART MOUNTING DEVICE FOR DIAPOSITIVES COMPRISING IN COMBINATION (A) A SUBSTANTIALLY RECTANGULAR FRAME PLATE AND A CONFORMINGLY SHAPED COVER PLATE ADAPTED TO BE SLIDINGLY PUSHED OVER THE FRAME PLATE INTO AN ASSEMBLED POSITION WITH THEIR INNER SURFACE FACING EACH OTHER; (B) A GUIDE LEDGE ON EACH OF THE PARALLEL LATERAL BORDERS OF THE FRAME PLATE TO SLIDINGLY GUIDE THE COVER PLATE INTO AND OUT OF SAID ASSEMBLED POSITIONS, AND A SEALING LEDGE ON ONE OF THE TRANSVERSE BORDERS OF THE FRAME PLATE, SAID LEDGES PROJECTING FROM THE INNER SURFACE OF THE FRAME PLATE FORMING A U-SHAPED UNIT, AND SAID SEALING EDGE ABUTTING IN SAID ASSEMBLED POSITION THE FORWARD EDGE OF THE COVER PLATE FIRST ENTERING BETWEEN SAID GUIDE LEDGES; (C) A FIRST AND SECOND WINDOW CENTRALLY LOCATED IN THE FRAME PLATE AND IN THE COVER PLATE, RESPECTIVELY, AND REGISTERING IN SAID ASSEMBLED POSITION OF SAID PLATES; (D) AN ASSEMBLY OF FOUR RECTANGULARLY ARRANGED CONTACT RAILS PROJECTING FROM THE INNER SURFACE OF THE FRAME PLATE AND COMPRISING TWO LATERAL RAILS EXTENDING PARALLEL TO SAID GUIDE LEDGES, A LOWER RAIL OPPOSITE TO AND PARALLEL TO SAID SEALING EDGE AND AN UPPER RAIL, SAID ASSEMBLY SURROUNDING SAID FIRST WINDOW AND DIMEN-
References Cited (Backward Citations)
US2835061A
Cited
US2931118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |