US1434047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of uniting hard steel alloys to softer steel bars
Assignee: ANATMOS METALS AND FURNACE COR
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Filing: 1918-08-21
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Granted: 1922-10-31
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Expires: 1938-08-21
Abstract
No abstract record available.
Inventors
- 👤 Bats Jean Hubert Louis De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:38
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/06; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/932; Y10S428/9335; Y10S428/939; Y10T; Y10T407/00; Y10T407/26; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12653; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12986
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) | 1925-10-30 | 1926-05-01 | 1926-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-30 | 1930-05-01 | 1930-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-30 | 1934-05-01 | 1934-10-31 | $7700.00 | Window Closed / Lapsed |