US1405253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-spring compressor
Assignee: Individual
•
Filing: 1920-10-12
•
Granted: 1922-01-31
•
Expires: 1940-10-12
Abstract
No abstract record available.
Inventors
- 👤 Roy S Bainbridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:25
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/24; B25B27/26; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53561; Y10T29/5357; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53861
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) | 1925-01-30 | 1925-08-01 | 1926-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-30 | 1929-08-01 | 1930-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-30 | 1933-08-01 | 1934-01-31 | $7700.00 | Window Closed / Lapsed |