← Back to Patent Explorer
US3124996A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable micro

Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:01
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/50

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 143 words
FOR A MICROFILM CAMERA THAT IS FORMED WITH DRIVE MEANS TO ENGAGE AND ADVANCE THE FILM, A FILM MAGAZINE COMPRISING: A CASING THAT IS FORMED WITH A WALL HAVING AT LEAST TWO PARALLEL SIDE EDGES, SAID WALL HAVING A PAIR OF SPACED APERTURES THEREIN DISPOSED SUCH THAT THE CENTERS THEREOF LIE ON AN AXIS PARALLEL TO ONE SIDE EDGE; MEANS TO MOUNT THE FILM IN THE CASING; MEANS TO GUIDE THE FILM FROM A FIRST, SUPPLY LOCATION IN THE CASING THROUGH A PATH AND ALONG AN INTERIOR SURFACE OF SAID WALL IN WHICH A SURFACE OF THE FILM IS IN CONFRONTING RELATION TO THE INTERIOR WALL SURFACE OF A SECOND, TAKE-UP LOCATION IN THE CASING; CURTAIN MEANS IN SAID CASING FOR MOVEMENT TO A FIRST POSITION IN WHICH BOTH APERTURES ARE OPEN AND TO A SECOND POSITION IN WHICH BOTH APERTURES ARE CLOSED;
Claim 2
Dependent Claim 143 words
FOR A MICROFILM CAMERA THAT IS FORMED WITH DRIVE MEANS TO ENGAGE AND ADVANCE THE FILM, A FILM MAGAZINE COMPRISING: A CASING THAT IS FORMED WITH A WALL HAVING AT LEAST TWO PARALLEL SIDE EDGES, SAID WALL HAVING A PAIR OF SPACED APERTURES THEREIN DISPOSED SUCH THAT THE CENTERS THEREOF LIE ON AN AXIS PARALLEL TO ONE SIDE EDGE; MEANS TO MOUNT THE FILM IN THE CASING; MEANS TO GUIDE THE FILM FROM A FIRST, SUPPLY LOCATION IN THE CASING THROUGH A PATH AND ALONG AN INTERIOR SURFACE OF SAID WALL IN WHICH A SURFACE OF THE FILM IS IN CONFRONTING RELATION TO THE INTERIOR WALL SURFACE OF A SECOND, TAKE-UP LOCATION IN THE CASING; CURTAIN MEANS IN SAID CASING FOR MOVEMENT TO A FIRST POSITION IN WHICH BOTH APERTURES ARE OPEN AND TO A SECOND POSITION IN WHICH BOTH APERTURES ARE CLOSED;

References Cited (Backward Citations)

US2163179A Cited
US2165363A Cited
US2326654A Cited
US2624231A Cited
US2477958A Cited
US2505661A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-17 1967-09-16 1968-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-17 1971-09-16 1972-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-17 1975-09-16 1976-03-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag