US757582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of welding steel plates, &c., to sheets of aluminium and aluminium-plated other metals.
Assignee: WACHWITZ PATENTS SYNDICATE Ltd
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Filing: 1903-05-06
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Granted: 1904-04-19
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Expires: 1923-05-06
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Wachwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/20; B23K1/206; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
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) | 1907-04-19 | 1907-10-19 | 1908-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-04-19 | 1911-10-19 | 1912-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-04-19 | 1915-10-19 | 1916-04-19 | $7700.00 | Window Closed / Lapsed |