US3074256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for metal coating glass filaments
Assignee: Owens Corning
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Filing: 1960-09-20
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Granted: 1963-01-22
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Expires: 1980-09-20
Abstract
No abstract record available.
Inventors
- 👤 Harry B Whitehurst
- 👤 William H Otto
- 👤 William P Warthen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:35
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
APPARATUS FOR PRODUCING CONTINUOUS COATED FIBERS OF HEAT SOFTENED MATERIAL COMPRISING A CONTAINER MAINTAINING A SUPPLY OF HEAT SOFTENED FIBER FORMING MATERIAL,
Claim 2
Dependent Claim
22 words
APPARATUS FOR PRODUCING CONTINUOUS COATED FIBERS OF HEAT SOFTENED MATERIAL COMPRISING A CONTAINER MAINTAINING A SUPPLY OF HEAT SOFTENED FIBER FORMING MATERIAL,
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |