US2936480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the attenuation of heat softenable materials into fibers
Assignee: Owens Corning
•
Filing: 1956-05-21
•
Granted: 1960-05-17
•
Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Kleist Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:38
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1603121A
Cited
US2497369A
Cited
FR810403A
Cited
GB515741A
Cited
US2318244A
Cited
US2624912A
Cited
US2609566A
Cited
US2577204A
Cited
US2747006A
Cited
FR1124487A
Cited
BE545632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |