US1370254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-compressor
Assignee: SS White Dental Manufacturing Co
•
Filing: 1918-04-03
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Granted: 1921-03-01
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Expires: 1938-04-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Yearsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:15
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/028; F16K15/14; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7904; Y10T137/7922; Y10T137/7929
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) | 1924-02-29 | 1924-08-30 | 1925-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-29 | 1928-08-30 | 1929-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-29 | 1932-08-30 | 1933-03-01 | $7700.00 | Window Closed / Lapsed |