US1528581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal article and its method of manufacture
Assignee: General Electric Co
•
Filing: 1920-01-26
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Granted: 1925-03-03
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Expires: 1940-01-26
Abstract
No abstract record available.
Inventors
- 👤 Steenstrup Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:25
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23; B23K9/232; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49337; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12347; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924
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) | 1928-03-02 | 1928-09-01 | 1929-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-02 | 1932-09-01 | 1933-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-02 | 1936-09-01 | 1937-03-03 | $7700.00 | Window Closed / Lapsed |