US3307236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for the manufacture of asbestos cement pieces
Assignee: Individual
•
Filing: 1964-02-03
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Granted: 1967-03-07
•
Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Sirera Sebastian Bonet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:10
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/52; B28B1/528
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A MACHINE FOR THE MANUFACTURE OF PLAQUES FROM PASTE SUBSTANCES WHICH HAVE THE CHARACTERISTIC OF HARDENING UPON DEHYDRATION, THE MACHINE COMPRISING: A PLURALITY OF CASES ARRANGED IN SUPERPOSED RELATION TO FORM A PILE THEREOF, EACH CASE HAVING OPPOSITE ENDS AND FILTER PRESS MEANS ASSOCIATED WITH THE CASES; A SUPPORT BASE FOR THE PILE; A COVER FOR THE PILE; ELONGATED SCREW MEANS CONNECTING THE COVER AND SUPPORT CASE AND SECURING THE PILE THEREBETWEEN; SUBSTANTIALLY VERTICAL WALL MEANS AT THE OPPOSITE ENDS OF EACH CASE, SAID WALL MEANS INCLUDING LONGITUDINALLY EXTENDED PORTIONS; SAID EXTENDED PORTIONS OF THE RESPECTIVE CASES BEING VERTICALLY ALIGNED TO COLLECTIVELY FORM CHAMBERS AT THE SIDES OF THE PILE; ARTICULATED DOOR MEANS FOR EACH OF THE CHAMBERS; MEANS FOR THE INTRODUCTION AND EXPELLING OF THE PASTE SUBSTANCE FOR EACH OF SAID CHAMBERS; AND AIR INLET AND EXHAUST MEANS FOR EACH OF THE CHAMBERS.
Claim 2
Dependent Claim
144 words
A MACHINE FOR THE MANUFACTURE OF PLAQUES FROM PASTE SUBSTANCES WHICH HAVE THE CHARACTERISTIC OF HARDENING UPON DEHYDRATION, THE MACHINE COMPRISING: A PLURALITY OF CASES ARRANGED IN SUPERPOSED RELATION TO FORM A PILE THEREOF, EACH CASE HAVING OPPOSITE ENDS AND FILTER PRESS MEANS ASSOCIATED WITH THE CASES; A SUPPORT BASE FOR THE PILE; A COVER FOR THE PILE; ELONGATED SCREW MEANS CONNECTING THE COVER AND SUPPORT CASE AND SECURING THE PILE THEREBETWEEN; SUBSTANTIALLY VERTICAL WALL MEANS AT THE OPPOSITE ENDS OF EACH CASE, SAID WALL MEANS INCLUDING LONGITUDINALLY EXTENDED PORTIONS; SAID EXTENDED PORTIONS OF THE RESPECTIVE CASES BEING VERTICALLY ALIGNED TO COLLECTIVELY FORM CHAMBERS AT THE SIDES OF THE PILE; ARTICULATED DOOR MEANS FOR EACH OF THE CHAMBERS; MEANS FOR THE INTRODUCTION AND EXPELLING OF THE PASTE SUBSTANCE FOR EACH OF SAID CHAMBERS; AND AIR INLET AND EXHAUST MEANS FOR EACH OF THE CHAMBERS.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |