Patent US3281031A successfully refreshed from Google Patents.
US3281031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier for artists' canvases
Assignee: Individual
•
Filing: 1964-12-28
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Granted: 1966-10-25
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:04
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/18; B44D3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CARRIER FOR ARTIST''S CANVASES AND STRETCHER FRAMES THEREFOR, COMPRISING A HANDLE OF SUBSTANTIAL LENGTH, A PAIR OF WIDELY DISPLACED SPACED SUPPORTS OF RECTANGULAR SECTION EXTENDING DOWNWARDLY FROM THE OPPOSITE ENDS OF SAID HANDLE, EACH SUPPORT HAVING OPPOSED PLANE EDGES AND PLANE FACES EXTENDING TRANSVERSELY THERETO, AND A PLANE END REMOTE FROM SAID HANDLE, A U-SHAPED RETAINER OF THIN SHEET METAL HAVING A PLANAR PORTION THEREOF AFFIXED TO THE PLANE END OF EACH SUPPORT AND PROVIDED WITH UPSTANDING ARMS EXTENDING TOWARDS SAID HANDLE AND DISPLACED FROM THE OPPOSITE EDGES OF EACH SUPPORT A DISTANCE AT LEAST EQUAL TO THE THICKNESS OF THE CANVAS FRAME, SAID UPSTANDING ARMS OF THIN SHEET METAL ON THE SAME SIDE OF SAID SUPPORTS DISPOSED IN A COMMON PLANE AND ADAPTED TO ENGAGE SAID CANVASES AT WIDELY DISPLACED PORTIONS THEREOF BETWEEN THE REAR FACE OF EACH STRETCHED CANVAS AND THE STRETCHER FRAME THEREFOR.
Claim 2
Dependent Claim
147 words
A CARRIER FOR ARTIST''S CANVASES AND STRETCHER FRAMES THEREFOR, COMPRISING A HANDLE OF SUBSTANTIAL LENGTH, A PAIR OF WIDELY DISPLACED SPACED SUPPORTS OF RECTANGULAR SECTION EXTENDING DOWNWARDLY FROM THE OPPOSITE ENDS OF SAID HANDLE, EACH SUPPORT HAVING OPPOSED PLANE EDGES AND PLANE FACES EXTENDING TRANSVERSELY THERETO, AND A PLANE END REMOTE FROM SAID HANDLE, A U-SHAPED RETAINER OF THIN SHEET METAL HAVING A PLANAR PORTION THEREOF AFFIXED TO THE PLANE END OF EACH SUPPORT AND PROVIDED WITH UPSTANDING ARMS EXTENDING TOWARDS SAID HANDLE AND DISPLACED FROM THE OPPOSITE EDGES OF EACH SUPPORT A DISTANCE AT LEAST EQUAL TO THE THICKNESS OF THE CANVAS FRAME, SAID UPSTANDING ARMS OF THIN SHEET METAL ON THE SAME SIDE OF SAID SUPPORTS DISPOSED IN A COMMON PLANE AND ADAPTED TO ENGAGE SAID CANVASES AT WIDELY DISPLACED PORTIONS THEREOF BETWEEN THE REAR FACE OF EACH STRETCHED CANVAS AND THE STRETCHER FRAME THEREFOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |