US1510178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifying column
Assignee: Individual
•
Filing: 1921-01-03
•
Granted: 1924-09-30
•
Expires: 1941-01-03
Abstract
No abstract record available.
Inventors
- 👤 Lachmann Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04406; F25J3/04412; F25J3/04521; F25J3/04527; F25J3/04551; F25J3/04763; F25J3/04769; F25J3/04793; F25J3/04866; F25J3/04872; F25J2200/00; F25J2200/50; F25J2200/54; F25J2215/00; F25J2215/02; F25J2215/40; F25J2245/00; F25J2245/02; F25J2245/50; F25J2290/00; F25J2290/62; Y; Y10; Y10S; Y10S62/00; Y10S62/902; Y10S62/905
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) | 1927-09-30 | 1928-03-31 | 1928-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-30 | 1932-03-31 | 1932-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-30 | 1936-03-31 | 1936-09-30 | $7700.00 | Window Closed / Lapsed |