US2122818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision measuring device
Assignee: Individual
•
Filing: 1936-11-05
•
Granted: 1938-07-05
•
Expires: 1956-11-05
Abstract
No abstract record available.
Inventors
- 👤 Aaron G Ladrach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:04
CPC Classifications
G; G01; G01G; G01G13/00; G01G13/24; G01G13/30; G01G13/32; G01N; G01N3/00; G01N3/02; G01N3/06; Y; Y10; Y10S; Y10S33/00; Y10S33/03
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) | 1941-07-04 | 1942-01-03 | 1942-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-07-04 | 1946-01-03 | 1946-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-07-04 | 1950-01-03 | 1950-07-05 | $7700.00 | Window Closed / Lapsed |