US3089798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material for welding aluminum and other metals
Assignee: Erico International Corp
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Filing: 1958-04-14
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Granted: 1963-05-14
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Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Rejdak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:33
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/04; B; B23; B23K; B23K23/00; B23K35/00; B23K35/22; B23K35/34; C22B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN EXOTHERMIC REACTION MIXTURE FOR THE PRODUCTION OF HIGHLY HEATED MOLTEN WELD METAL CONSISTING ESSENTIALLY OF 37 PARTS BY WEIGHT OF STANNIC OXIDE AND FROM 17 TO
Claim 2
Dependent Claim
27 words
AN EXOTHERMIC REACTION MIXTURE FOR THE PRODUCTION OF HIGHLY HEATED MOLTEN WELD METAL CONSISTING ESSENTIALLY OF 37 PARTS BY WEIGHT OF STANNIC OXIDE AND FROM 17 TO
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |