US2818083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of internally alloy coating tubular bodies
Assignee: AMERICAN ALLOY Corp
•
Filing: 1955-07-20
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Granted: 1957-12-31
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Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles R Jelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:53
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/04; B23K9/044; B23K9/046; B23K9/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US996406A
Cited
US1481071A
Cited
US2187786A
Cited
US2267296A
Cited
US2427350A
Cited
US2441748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |