US2522046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for furnaces
Assignee: —
•
Filing: —
•
Granted: 1950-09-12
•
Expires: 1967-09-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:14
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/24; B28B7/241; B28B7/243; C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/522; C04B35/536; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/42; C04B2235/422; C04B2235/425; C04B2235/48; C04B2235/60; C04B2235/604; C04B2235/70; C04B2235/74; C04B2235/77; C04B2235/94; C04B2235/96; C04B2235/9607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A MOLD FOR A FURNACE FOR MOLDING UNDER HEAT AND PRESSURE CONSISTING OF A CYLINDRICAL GRAPHITE BODY WITH BORES PARALLEL TO THE AXIS OF SAID BODY, THE RATIO OF THE THICKNESS OF THE THINNEST PORTION OF THE OUTER WALL OF GRAPHITE BETWEEN AN OUTER BORE AND THE CYLINDRICAL SURFACE OF THE MOLD TO THE DIAMETER OF SAID OUTER BORE BEING FROM .35 TO .65, AND THE RATIO OF THE THINNEST PORTION OF THE WALL OF GRAPHITE BETWEEN BORES TO THE DIAMETER OF ONE OF SAID BORES BEING FROM .25 TO .45.
Claim 2
Dependent Claim
91 words
A MOLD FOR A FURNACE FOR MOLDING UNDER HEAT AND PRESSURE CONSISTING OF A CYLINDRICAL GRAPHITE BODY WITH BORES PARALLEL TO THE AXIS OF SAID BODY, THE RATIO OF THE THICKNESS OF THE THINNEST PORTION OF THE OUTER WALL OF GRAPHITE BETWEEN AN OUTER BORE AND THE CYLINDRICAL SURFACE OF THE MOLD TO THE DIAMETER OF SAID OUTER BORE BEING FROM .35 TO .65, AND THE RATIO OF THE THINNEST PORTION OF THE WALL OF GRAPHITE BETWEEN BORES TO THE DIAMETER OF ONE OF SAID BORES BEING FROM .25 TO .45.
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) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |