US1379945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-bearing
Assignee: Individual
•
Filing: 1919-12-18
•
Granted: 1921-05-31
•
Expires: 1939-12-18
Abstract
No abstract record available.
Inventors
- 👤 Waldemar H Teetsow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:27
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C19/18; F16C19/181; F16C19/183; F16C19/184; F16C33/00; F16C33/30; F16C33/58; F16C33/60; Y; Y10; Y10S; Y10S16/00; Y10S16/27
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) | 1924-05-30 | 1924-11-29 | 1925-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-30 | 1928-11-29 | 1929-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-30 | 1932-11-29 | 1933-05-31 | $7700.00 | Window Closed / Lapsed |