US2698267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Working of titanium
Assignee: Individual
•
Filing: 1953-06-25
•
Granted: 1954-12-28
•
Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 Roy A Halversen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:14
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/02; C22F1/16; C22F1/18; C22F1/183; Y; Y10; Y10S; Y10S29/00; Y10S29/045; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE METHOD FOR WORKING TITANIUM METAL, WHICH COMPRISES WORKING THE METAL AND SUBJECTING ITS SURFACE DURING THE WORKING OPERATION TO THE ACTION OF THE VAPOR OF A PHOSPHORUS OXIDE
Claim 2
Independent Claim
29 words
THE METHOD FOR WORKING TITANIUM METAL, WHICH COMPRISES WORKING THE METAL AND SUBJECTING ITS SURFACE DURING THE WORKING OPERATION TO THE ACTION OF THE VAPOR OF A PHOSPHORUS OXIDE
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) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |