US2173003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting thread surface seizure
Assignee: Individual
•
Filing: 1937-01-21
•
Granted: 1939-09-12
•
Expires: 1957-01-21
Abstract
No abstract record available.
Inventors
- 👤 Charles E S Place
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:17
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; Y; Y10; Y10S; Y10S411/00; Y10S411/914
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) | 1942-09-11 | 1943-03-13 | 1943-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-11 | 1947-03-13 | 1947-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-11 | 1951-03-13 | 1951-09-12 | $7700.00 | Window Closed / Lapsed |