Patent DE2833776C2 successfully refreshed from Google Patents.
US1243586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for operating air-compressors, &c.
Assignee: Individual
•
Filing: 1916-05-26
•
Granted: 1917-10-16
•
Expires: 1936-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ira Ellsworth Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:50
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/28; H01H21/285; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896; Y10T74/18992
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1920-10-15 | 1921-04-16 | 1921-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-15 | 1925-04-16 | 1925-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-15 | 1929-04-16 | 1929-10-16 | $7700.00 | Window Closed / Lapsed |