US1277431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel.
Assignee: Individual
•
Filing: 1916-10-17
•
Granted: 1918-09-03
•
Expires: 1936-10-17
Abstract
No abstract record available.
Inventors
- 👤 Paul Richard Kuehnrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:22
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; Y; Y10; Y10S; Y10S76/00; Y10S76/04
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) | 1921-09-02 | 1922-03-04 | 1922-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-09-02 | 1926-03-04 | 1926-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-09-02 | 1930-03-04 | 1930-09-03 | $7700.00 | Window Closed / Lapsed |