US3013095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for melting and feeding heat-softenable materials
Assignee: Owens Corning
•
Filing: 1957-12-30
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Granted: 1961-12-12
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Robert G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:12
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/2236; G05D23/224; C; C03; C03B; C03B37/00; C03B37/08; C03B37/081; C03B37/09; C03B37/091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1954732A
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US2397852A
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US2618906A
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US2465283A
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FR1008738A
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US2634553A
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NL78183C
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US2692296A
Cited
US2754346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |