US3220692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for simultaneously casting a plurality of primarily planar objects
Assignee: Byggnadsfirman Ohlsson and Skarne AB
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Filing: 1963-11-18
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Granted: 1965-11-30
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Eklund Per Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:04
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/24; B28B7/241; B28B7/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A MOLD FOR SIMULTANEOUSLY CASTING A PLURALITY OF CONCRETE ELEMENTS WITH A LOW RATIO OF THICKNESS TO AREA SUCH AS ONE-STORY WALL ELEMENTS, COMPRISING A PAIR OF SPACED HORIZONTAL PARALLEL BEAMS, A PLURALITY OF HANGING MOLD BOXES EACH COMPRISING AN UPRIGHT PARTITION EXTENDING TRANSVERSELY OF THE BEAMS AND A HORIZONTAL BOTTOM WALL CARRIED BY THE PARTITION AND A SPACED UPRIGHT PAIR OF END WALLS, EACH PARTITION HAVING A PAIR OF ARMS ADJACENT ITS TOP, ONE SAID ARM EXTENDING OVER EACH SAID BEAM, WHEEL MEANS SUPPORTING EACH SAID ARM ON ITS UNDERLYING BEAM FOR ROLLING MOVEMENT THEREALONG, EACH PARTITION AND ITS ASSOCIATED BOTTOM WALL HANGING FROM AND BEING SUPPORTED BY ITS ASSOCIATED ARMS AND BEING DISPOSED BELOW AND BETWEEN SAID BEAMS, MEANS FOR RELEASABLY CLAMPING IN ASSEMBLED RELATION A PLURALITY OF SAID HANGING MOLD BOXES WITH A SAID BOTTOM WALL AND A PAIR OF SAID END WALLS BETWEEN EACH ADJACENT PAIR OF
Claim 2
Dependent Claim
151 words
A MOLD FOR SIMULTANEOUSLY CASTING A PLURALITY OF CONCRETE ELEMENTS WITH A LOW RATIO OF THICKNESS TO AREA SUCH AS ONE-STORY WALL ELEMENTS, COMPRISING A PAIR OF SPACED HORIZONTAL PARALLEL BEAMS, A PLURALITY OF HANGING MOLD BOXES EACH COMPRISING AN UPRIGHT PARTITION EXTENDING TRANSVERSELY OF THE BEAMS AND A HORIZONTAL BOTTOM WALL CARRIED BY THE PARTITION AND A SPACED UPRIGHT PAIR OF END WALLS, EACH PARTITION HAVING A PAIR OF ARMS ADJACENT ITS TOP, ONE SAID ARM EXTENDING OVER EACH SAID BEAM, WHEEL MEANS SUPPORTING EACH SAID ARM ON ITS UNDERLYING BEAM FOR ROLLING MOVEMENT THEREALONG, EACH PARTITION AND ITS ASSOCIATED BOTTOM WALL HANGING FROM AND BEING SUPPORTED BY ITS ASSOCIATED ARMS AND BEING DISPOSED BELOW AND BETWEEN SAID BEAMS, MEANS FOR RELEASABLY CLAMPING IN ASSEMBLED RELATION A PLURALITY OF SAID HANGING MOLD BOXES WITH A SAID BOTTOM WALL AND A PAIR OF SAID END WALLS BETWEEN EACH ADJACENT PAIR OF
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |