Patent US1599692A successfully refreshed from Google Patents.
US1599692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable channel-girth construction
Assignee: Emsco Derrick and Equipment Co
•
Filing: 1925-06-13
•
Granted: 1926-09-14
•
Expires: 1945-06-13
Abstract
No abstract record available.
Inventors
- 👤 William A Trout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:50
CPC Classifications
E; E21; E21D; E21D7/00; E04; E04B; E04B1/00; E04B1/38; E04B1/58; E04B1/5806; E04B1/5812; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2439; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254
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) | 1929-09-13 | 1930-03-15 | 1930-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-13 | 1934-03-15 | 1934-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-13 | 1938-03-15 | 1938-09-14 | $7700.00 | Window Closed / Lapsed |