US3275281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easel structure
Assignee: Winthrop Atkins Co Inc
•
Filing: 1965-01-12
•
Granted: 1966-09-27
•
Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 George H Sampson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:56
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/14; A47G1/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A STRUCTURE COMPRISING A PANEL, A LEG CONNECTED TO THE PANEL FOR MOVEMENT TO AN ANGULAR POSITION RELATIVE THERETO, A FOOT HINGED TO THE DISTAL END OF THE LEG, A BRACE INTEGRAL WITH THE FOOT, SAID BRACE HAVING A DISTAL END ROTATABLE INWARDLY FROM THE LEG AGAINST THE PANEL, BY ROTATION OF THE FOOT ABOUT THE AXIS OF THE HINGE CONNECT-
Claim 2
Dependent Claim
61 words
A STRUCTURE COMPRISING A PANEL, A LEG CONNECTED TO THE PANEL FOR MOVEMENT TO AN ANGULAR POSITION RELATIVE THERETO, A FOOT HINGED TO THE DISTAL END OF THE LEG, A BRACE INTEGRAL WITH THE FOOT, SAID BRACE HAVING A DISTAL END ROTATABLE INWARDLY FROM THE LEG AGAINST THE PANEL, BY ROTATION OF THE FOOT ABOUT THE AXIS OF THE HINGE CONNECT-
References Cited (Backward Citations)
US289799A
Cited
US758351A
Cited
US868998A
Cited
US1639290A
Cited
US1993947A
Cited
US2472405A
Cited
US2863243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |