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 14:51
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
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References Cited (Backward Citations)
US1041176A
Cited
FR507711A
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US1821659A
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US2297817A
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US2373405A
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US2619438A
Cited
US2616165A
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US2641439A
Cited
US2628417A
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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 |