Patent US2772518A successfully refreshed from Google Patents.
US2772518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating glass filaments with metal
Assignee: Owens Corning
•
Filing: 1952-11-10
•
Granted: 1956-12-04
•
Expires: 1972-11-10
Abstract
No abstract record available.
Inventors
- 👤 Harry B Whitehurst
- 👤 William H Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:04
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; Y; Y10; Y10S; Y10S118/00; Y10S118/19; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
THE METHOD OF COATING A GLASS FILAMENT WITH METAL COMPRISING SUSPENDING A GLOBULE OF MOLTEN METAL IN A GIVEN POSITION UNDER ITS OWN SURFACE TENSION, PASSING A CONTINUOUS FILAMENT THROUGH SAID GLOBULE AT A TEMPERATURE COMPATIBLE TO RECEIVE A COATING OF SAID METAL, AND SUPPLYING MOLTEN METAL FOR SAID GLOBULE TO MAINTAIN IT IN SIZE EQUILIBRIUM BY REPLENISHING MOLTEN METAL REMOVED FROM SAID GLOBULE IN COATING SAID FILAMENT.
References Cited (Backward Citations)
US1934796A
Cited
US2272588A
Cited
US2373078A
Cited
US2531571A
Cited
US2616165A
Cited
US2562500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |