US1922450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge rod wiper
Assignee: Individual
•
Filing: 1932-06-24
•
Granted: 1933-08-15
•
Expires: 1952-06-24
Abstract
No abstract record available.
Inventors
- 👤 O'brien George Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:17
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/04; G01F23/045; F; F02; F02B; F02B77/00; F02B77/04
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) | 1936-08-14 | 1937-02-13 | 1937-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-14 | 1941-02-13 | 1941-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-14 | 1945-02-13 | 1945-08-15 | $7700.00 | Window Closed / Lapsed |