Patent US3194645A successfully refreshed from Google Patents.
US3194645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming molten glass in cylindrical form
Assignee: OI Glass Inc
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Filing: 1961-07-31
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Granted: 1965-07-13
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Green Calvin
- 👤 Jack D Walk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:12
CPC Classifications
C; C03; C03B; C03B17/00; C03B17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A ROTATABLE MANDREL FOR FORMING MOLTEN GLASS IN CYLINDRICAL FORM COMPRISING A CYLINDIRCALLY-SHAPED FREE END PORTION, SAID FREE END PORTION BEING COMPRISED OF MULTIPLE COMPLEMENTALLY-CONTOURED SEPARABLE COMPONENT PARTS, THE TERMINATING PART BEING COINCIALLY-SHAPED AND THE NEXT ADJACENT PART BEING FRUSTO-CONICALLY SHAPED, MEANS CONNECTING EACH OF SAID COMPONENT PARTS TO SAID BODY PORTION EXTENDING THROUGH THE LATTER, SAID PARTS BEING ADAPTED FOR USE BOTH IN COOPERATION AND IN SUCCESSION FOR FORMING INDIVIDUAL ROD AND TUBULAR PRODUCTS BY DRAWING.
Claim 2
Dependent Claim
77 words
A ROTATABLE MANDREL FOR FORMING MOLTEN GLASS IN CYLINDRICAL FORM COMPRISING A CYLINDIRCALLY-SHAPED FREE END PORTION, SAID FREE END PORTION BEING COMPRISED OF MULTIPLE COMPLEMENTALLY-CONTOURED SEPARABLE COMPONENT PARTS, THE TERMINATING PART BEING COINCIALLY-SHAPED AND THE NEXT ADJACENT PART BEING FRUSTO-CONICALLY SHAPED, MEANS CONNECTING EACH OF SAID COMPONENT PARTS TO SAID BODY PORTION EXTENDING THROUGH THE LATTER, SAID PARTS BEING ADAPTED FOR USE BOTH IN COOPERATION AND IN SUCCESSION FOR FORMING INDIVIDUAL ROD AND TUBULAR PRODUCTS BY DRAWING.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |