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Patent US1743615A successfully refreshed from Google Patents.
US1743615A
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US
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Soldering process
Assignee: American Rolling Mill Co
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Filing: 1927-02-25
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Granted: 1930-01-14
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Expires: 1947-02-25
Abstract
No abstract record available.
Inventors
- 👤 John H Nead
- 👤 Earl R Wehr
- 👤 Carl C Mahlie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:21
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3602; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-01-13 | 1933-07-15 | 1934-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-13 | 1937-07-15 | 1938-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-13 | 1941-07-15 | 1942-01-14 | $7700.00 | Window Closed / Lapsed |