US1451033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Individual
•
Filing: 1921-06-28
•
Granted: 1923-04-10
•
Expires: 1941-06-28
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0005; F04B39/0016; F04B27/00; F04B27/005; F04B39/10; F04B39/102; F04B39/1026; F04B39/12; F04B39/128; F16; F16K; F16K15/00; F16K15/14; F16K15/1402; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7843; Y10T137/7879; Y10T137/7888; Y10T137/789
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) | 1926-04-09 | 1926-10-09 | 1927-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-04-09 | 1930-10-09 | 1931-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-04-09 | 1934-10-09 | 1935-04-10 | $7700.00 | Window Closed / Lapsed |