US3226077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable easel
Assignee: Individual
•
Filing: 1963-06-27
•
Granted: 1965-12-28
•
Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Duncan C Killen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:56
CPC Classifications
A; A47; A47B; A47B97/00; A47B97/04; A47B97/08; Y; Y10; Y10T; Y10T29/00; Y10T29/33; Y10T403/00; Y10T403/55; Y10T403/556
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN EASEL COMPRISING A STANDARD CONTAINING TWO GENERALLY UPRIGHT MEMBERS, A FIRST HORIZONTAL MEMBER ADAPTED TO BE HELD AT THE LOWER END OF SAID GENERALLY UPRIGHT MEMBERS, A FIRST PAIR OF CLAMPS FOR TIGHTLY HOLDING SAID FIRST HORIZONTAL MEMBER AT THE LOWER ENDS OF SAID UPRIGHT MEMBERS WITH THE DISTANCE BETWEEN THE FIRST CLAMPS AND THE LOWER ENDS OF SAID UPRIGHT MEMBERS BEING ADJUSTABLE, A SECOND HORIZONTAL MEMBER ADAPTED TO BE HELD AT AN INTERMEDIATE POSITION ON SAID GENERALLY UPRIGHT MEMBERS, A SECOND PAIR OF CLAMPS FOR TIGHTLY HOLDING SAID SECOND HORIZONTAL MEMBER AT THE DESIRED INTERMEDIATE POSITION ON SAID UPRIGHT MEMBERS WITH THE HORIZONTAL DISTANCE BETWEEN THE SECOND CLAMPS BEING ADJUSTABLE, A BRACE MEMBER HINGEDLY ATTACHED TO SAID SECOND HORI-
Claim 2
Dependent Claim
121 words
AN EASEL COMPRISING A STANDARD CONTAINING TWO GENERALLY UPRIGHT MEMBERS, A FIRST HORIZONTAL MEMBER ADAPTED TO BE HELD AT THE LOWER END OF SAID GENERALLY UPRIGHT MEMBERS, A FIRST PAIR OF CLAMPS FOR TIGHTLY HOLDING SAID FIRST HORIZONTAL MEMBER AT THE LOWER ENDS OF SAID UPRIGHT MEMBERS WITH THE DISTANCE BETWEEN THE FIRST CLAMPS AND THE LOWER ENDS OF SAID UPRIGHT MEMBERS BEING ADJUSTABLE, A SECOND HORIZONTAL MEMBER ADAPTED TO BE HELD AT AN INTERMEDIATE POSITION ON SAID GENERALLY UPRIGHT MEMBERS, A SECOND PAIR OF CLAMPS FOR TIGHTLY HOLDING SAID SECOND HORIZONTAL MEMBER AT THE DESIRED INTERMEDIATE POSITION ON SAID UPRIGHT MEMBERS WITH THE HORIZONTAL DISTANCE BETWEEN THE SECOND CLAMPS BEING ADJUSTABLE, A BRACE MEMBER HINGEDLY ATTACHED TO SAID SECOND HORI-
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |