US2418873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for attenuating thermoplastic materials
Assignee: Owens Corning
•
Filing: 1942-03-14
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Granted: 1947-04-15
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Expires: 1962-03-14
Abstract
No abstract record available.
Inventors
- 👤 Fletcher Ed
- 👤 Snow Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:44
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/03; Y; Y10; Y10S; Y10S425/00; Y10S425/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1968693A
Cited
US2133236A
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US2225667A
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US2206058A
Cited
US2206060A
Cited
US2230272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |