US3177058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing heatsoftenable materials
Assignee: Owens Corning
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Filing: 1961-08-07
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Granted: 1965-04-06
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Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
- 👤 Henry J Snow
- 👤 Robert G Russell
- 👤 Kleist Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:15
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
APPARATUS FOR PROCESSING HEAT-SOFTENED MATERIAL INCLUDING IN COMBINATION, A ROTATABLE HOLLOW ELEMENT ADAPTED TO RECEIVE HEAT-SOFTENED MATERIAL INTERIORLY THEREOF FROM A SUPPLY, SAID ELEMENT HAVING AN OUTER PERIPHERAL WALL PROVIDED WITH APERTURES, A MEMBER DISPOSED WITHIN AND CARRIED BY THE ELEMENT AND ADAPTED TO RECEIVE THE MATERIAL FROM THE SUPPLY, MEANS FOR ROTATING THE ELEMENT AND MEMBER, AND MEMBER BEING FORMED WITH A SPIRALLY ARRANGED SURFACE CENTERED ON THE AXIS OF ROTATION OF THE ELEMENT ARRANGED TO BE TRAVERSED BY THE MATERIAL AS THE
Claim 2
Dependent Claim
84 words
APPARATUS FOR PROCESSING HEAT-SOFTENED MATERIAL INCLUDING IN COMBINATION, A ROTATABLE HOLLOW ELEMENT ADAPTED TO RECEIVE HEAT-SOFTENED MATERIAL INTERIORLY THEREOF FROM A SUPPLY, SAID ELEMENT HAVING AN OUTER PERIPHERAL WALL PROVIDED WITH APERTURES, A MEMBER DISPOSED WITHIN AND CARRIED BY THE ELEMENT AND ADAPTED TO RECEIVE THE MATERIAL FROM THE SUPPLY, MEANS FOR ROTATING THE ELEMENT AND MEMBER, AND MEMBER BEING FORMED WITH A SPIRALLY ARRANGED SURFACE CENTERED ON THE AXIS OF ROTATION OF THE ELEMENT ARRANGED TO BE TRAVERSED BY THE MATERIAL AS THE
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |