Patent US173173A successfully refreshed from Google Patents.
Patent US3094956A successfully refreshed from Google Patents.
US3094956A
Expired / Lapsed
US
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Fabrication of hollow articles
Assignee: Olin Corp
•
Filing: 1956-04-16
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Granted: 1963-06-25
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Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Theron F Pauls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:58
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
160 words
AN APPARATUS FOR EXPANDING A BLANK FORMED OF A PLURALITY OF SHEETS HAVING AN UNJOINED INTERIOR PORTION DEFINED AND CONTAINED WITHIN JOINED PORTIONS OF SAID SHEETS PROVIDED WITH AN INLET FOR FLUID PRESSURE TO SAID UNJOINED PORTION WITH SAID UNJOINED PORTION BEING ADAPTED TO CONTAIN A FLUID UNDER PRESSURE, SAID APPARATUS COMPRISING A PAIR OF OPPOSED PRESSURE MEANS OPERATIVELY CONNECTED TO EACH OTHER FOR RECEIVING SAID BLANK THEREINBETWEEN, ONE OF SAID PRESSURE MEANS BEING RIGID AND NONCOMPRESSIBLE AND THE OTHER OF SAID PRESSURE MEANS BEING COMPRESSIBLE, SAID RIGID MEANS HAVING A SURFACE AGAINST WHICH ONE SIDE OF SAID BLANK IS PLACED IN ADJACENT RELATIONSHIP, ENGAGING MEANS OPERATIVELY CONNECTED TO SAID COMPRESSIBLE PRESSURE MEANS FOR ENGAGING SAID COMPRESSIBLE PRESSURE MEANS WITH THE OTHER SIDE OF SAID BLANK SO THAT SAID COMPRESSIBLE PRESSURE MEANS APPLYS A UNIFORM PRESSURE TO SAID OTHER SIDE TO HOLD SAID ONE SIDE OF SAID BLANK SUBSTANTIALLY CONTIGUOUSLY AGAINST SAID SURFACE DURING EXPANSION OF SAID UNJOINED PORTION, FLUID
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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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |