US3250256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawing or vellum holder
Assignee: Individual
•
Filing: 1964-04-30
•
Granted: 1966-05-10
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 John D Brueckner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:20
CPC Classifications
B; B42; B42D; B42D19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A COMBINED DRAWING HOLDER AND CLIP DEVICE, COMPRISING, A BASE MEMBER HAVING A FLAT HORIZONTAL BASE PLATE AND A FLAT VERTICAL BACK PLATE SUBSTANTIALLY PERPENDICULAR TO THE BASE PLATE, A COVER MEMBER HAVING A FLAT TOP PLATE AND A FLAT VERTICAL FRONT PLATE SUBSTANTIALLY PERPENDICULAR TO THE TOP PLATE, THE COVER MEMBER BEING HINGED TO THE VERTICAL BACK PLATE, THE PLATES BEING SPACED APART A SUITABLE DISTANCE TO PERMIT ONE OR MORE ROLLS OF DRAWINGS TO BE CONFINED THEREIN, THE BASE PLATE EXTENDING BEYOND THE FRONT PLATE TO THE COVER MEMEBR IN THE DIRECTION OPPOSITE FROM THE BACK PLATE FOR PREVENTING CREASING OR MARRING OF PAPERS HELD IN THE DEVICE, AND STOP MEANS ON SAID DEVICE OPERATIVE BETWEEN THE COVER MEMBER AND THE BASE MEMBER FOR HOLDING SAID COVER MEMBER UPSIDE DOWN WITH THE TOP PLATE OF THE COVER IN SUBSTANTIALLY THE SAME PLANE AS THE HORIZONTAL BASE PLATE BASE MEMBER SO THAT THE COVER MEMBER FORMS A TROUGH FOR STORING ROLLS OF DRAWINGS WHEN THE COVER MEMBER IS OPEN.
Claim 2
Dependent Claim
170 words
A COMBINED DRAWING HOLDER AND CLIP DEVICE, COMPRISING, A BASE MEMBER HAVING A FLAT HORIZONTAL BASE PLATE AND A FLAT VERTICAL BACK PLATE SUBSTANTIALLY PERPENDICULAR TO THE BASE PLATE, A COVER MEMBER HAVING A FLAT TOP PLATE AND A FLAT VERTICAL FRONT PLATE SUBSTANTIALLY PERPENDICULAR TO THE TOP PLATE, THE COVER MEMBER BEING HINGED TO THE VERTICAL BACK PLATE, THE PLATES BEING SPACED APART A SUITABLE DISTANCE TO PERMIT ONE OR MORE ROLLS OF DRAWINGS TO BE CONFINED THEREIN, THE BASE PLATE EXTENDING BEYOND THE FRONT PLATE TO THE COVER MEMEBR IN THE DIRECTION OPPOSITE FROM THE BACK PLATE FOR PREVENTING CREASING OR MARRING OF PAPERS HELD IN THE DEVICE, AND STOP MEANS ON SAID DEVICE OPERATIVE BETWEEN THE COVER MEMBER AND THE BASE MEMBER FOR HOLDING SAID COVER MEMBER UPSIDE DOWN WITH THE TOP PLATE OF THE COVER IN SUBSTANTIALLY THE SAME PLANE AS THE HORIZONTAL BASE PLATE BASE MEMBER SO THAT THE COVER MEMBER FORMS A TROUGH FOR STORING ROLLS OF DRAWINGS WHEN THE COVER MEMBER IS OPEN.
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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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |