Patent US2961758A successfully refreshed from Google Patents.
US2961758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a metal element
Assignee: Owens Corning
•
Filing: 1957-08-09
•
Granted: 1960-11-29
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:36
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/08; C03B37/083; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/4981
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1041176A
Cited
FR507711A
Cited
US1821659A
Cited
US2297817A
Cited
US2373405A
Cited
US2619438A
Cited
US2616165A
Cited
US2641439A
Cited
US2628417A
Cited
US2771667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |