Patent US3186818A successfully refreshed from Google Patents.
US3186818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for forming thermoplastic material
Assignee: OI Glass Inc
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Filing: 1961-06-05
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Granted: 1965-06-01
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert W Havens
- 👤 Edward A Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:43
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/38; C03B9/3875; B; B29; B29C; B29C33/00; B29C33/10; B29C33/38; B29C33/3814; B29C49/00; B29C49/42; B29C49/48; B29C49/62; C03B40/00; C03B40/04; C03B9/34; C03B9/347; C03B9/48; B29C33/02; B29C33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A MOLD FOR FORMING GLASSWARE, SAID MOLD COMPRISING A POROUS MEMBER HAVING INNER AND OUTER SURFACES, SAID INNER SURFACE DEFINING A MOLDING CAVITY, MEANS FOR CONTINUALLY SUPPLYING WATER TO THE OUTER SURFACE OF SAID MEMBER, AND MEANS FORMED IN THE INNER SURFACE OF SAID MEMBER AND EXTENDING A SUBSTANTIAL DISTANCE THEREOF FOR SELECTIVELY VENTING THE INNER SURFACE OF SAID MEMBER TO THE ATMOSPHERE WHEN FORMING SAID GLASSWARE.
Claim 2
Dependent Claim
67 words
A MOLD FOR FORMING GLASSWARE, SAID MOLD COMPRISING A POROUS MEMBER HAVING INNER AND OUTER SURFACES, SAID INNER SURFACE DEFINING A MOLDING CAVITY, MEANS FOR CONTINUALLY SUPPLYING WATER TO THE OUTER SURFACE OF SAID MEMBER, AND MEANS FORMED IN THE INNER SURFACE OF SAID MEMBER AND EXTENDING A SUBSTANTIAL DISTANCE THEREOF FOR SELECTIVELY VENTING THE INNER SURFACE OF SAID MEMBER TO THE ATMOSPHERE WHEN FORMING SAID GLASSWARE.
References Cited (Backward Citations)
US958613A
Cited
US2555712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |