US1504066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic air-pressure oatce
Assignee: —
•
Filing: —
•
Granted: 1924-08-05
•
Expires: 1941-08-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:31
CPC Classifications
G; G01; G01L; G01L17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/36; Y10T137/3631; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7808; Y10T137/8158; Y10T137/8175; Y10T137/8225; Y10T137/8275
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) | 1927-08-05 | 1928-02-04 | 1928-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-08-05 | 1932-02-04 | 1932-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-08-05 | 1936-02-04 | 1936-08-05 | $7700.00 | Window Closed / Lapsed |