US2801914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exothermic reaction mixture for producing a molten copper alloy
Assignee: Erico International Corp
•
Filing: 1953-01-16
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Granted: 1957-08-06
•
Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Donald J Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:12
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/04; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/34; C22B5/06; Y; Y10; Y10S; Y10S75/00; Y10S75/959
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
AN EXOTHERMIC REACTION MIXTURE FOR PRODUCING MOLTEN COPPER ALLOY COMPRISING APPROXIMATELY COOPER ALUMINUM ALLOY, CRUSHED (57% COPPER,
Claim 2
Dependent Claim
17 words
AN EXOTHERMIC REACTION MIXTURE FOR PRODUCING MOLTEN COPPER ALLOY COMPRISING APPROXIMATELY COOPER ALUMINUM ALLOY, CRUSHED (57% COPPER,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |